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Merge pull request #95 from logic-building/TakeWhile<TYPE>Err
Added function TakeWhile<TYPE>Err which returns new list and error
2 parents 397de73 + a34ae68 commit c1491e0

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‎fp/takewhileerr.go‎

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package fp
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// TakeWhileIntErr returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type int and returns ([]int, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileIntErr(f func(int) (bool, error), list []int) ([]int, error) {
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if f == nil {
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return []int{}, nil
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}
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var newList []int
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileInt64Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type int64 and returns ([]int64, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileInt64Err(f func(int64) (bool, error), list []int64) ([]int64, error) {
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if f == nil {
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return []int64{}, nil
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}
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var newList []int64
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileInt32Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type int32 and returns ([]int32, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileInt32Err(f func(int32) (bool, error), list []int32) ([]int32, error) {
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if f == nil {
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return []int32{}, nil
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}
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var newList []int32
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileInt16Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type int16 and returns ([]int16, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileInt16Err(f func(int16) (bool, error), list []int16) ([]int16, error) {
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if f == nil {
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return []int16{}, nil
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}
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var newList []int16
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileInt8Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type int8 and returns ([]int8, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileInt8Err(f func(int8) (bool, error), list []int8) ([]int8, error) {
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if f == nil {
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return []int8{}, nil
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}
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var newList []int8
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileUintErr returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type uint and returns ([]uint, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileUintErr(f func(uint) (bool, error), list []uint) ([]uint, error) {
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if f == nil {
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return []uint{}, nil
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}
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var newList []uint
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileUint64Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type uint64 and returns ([]uint64, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileUint64Err(f func(uint64) (bool, error), list []uint64) ([]uint64, error) {
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if f == nil {
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return []uint64{}, nil
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}
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var newList []uint64
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileUint32Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type uint32 and returns ([]uint32, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileUint32Err(f func(uint32) (bool, error), list []uint32) ([]uint32, error) {
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if f == nil {
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return []uint32{}, nil
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}
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var newList []uint32
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileUint16Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type uint16 and returns ([]uint16, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileUint16Err(f func(uint16) (bool, error), list []uint16) ([]uint16, error) {
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if f == nil {
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return []uint16{}, nil
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}
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var newList []uint16
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileUint8Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type uint8 and returns ([]uint8, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileUint8Err(f func(uint8) (bool, error), list []uint8) ([]uint8, error) {
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if f == nil {
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return []uint8{}, nil
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}
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var newList []uint8
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileStrErr returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type string and returns ([]string, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileStrErr(f func(string) (bool, error), list []string) ([]string, error) {
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if f == nil {
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return []string{}, nil
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}
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var newList []string
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileBoolErr returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type bool and returns ([]bool, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileBoolErr(f func(bool) (bool, error), list []bool) ([]bool, error) {
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if f == nil {
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return []bool{}, nil
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}
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var newList []bool
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileFloat32Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type float32 and returns ([]float32, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileFloat32Err(f func(float32) (bool, error), list []float32) ([]float32, error) {
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if f == nil {
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return []float32{}, nil
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}
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var newList []float32
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}
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// TakeWhileFloat64Err returns new list based on condition in the supplied function. It returns new list once condition fails.
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//
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// Takes 2 inputs:
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// 1. Function - 1 input of type float64 and returns ([]float64, error)
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// 2. List
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//
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// Returns:
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// New List, error.
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// Empty list if all the parameters are nil or either of one parameter is nil
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func TakeWhileFloat64Err(f func(float64) (bool, error), list []float64) ([]float64, error) {
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if f == nil {
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return []float64{}, nil
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}
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var newList []float64
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for _, v := range list {
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r, err := f(v)
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if err != nil {
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return nil, err
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}
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if !r {
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return newList, nil
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}
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newList = append(newList, v)
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}
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return newList, nil
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}

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