Support conversion between integer types.#6856
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zygoloid wants to merge 1 commit intocarbon-language:trunkfrom
Open
Support conversion between integer types.#6856zygoloid wants to merge 1 commit intocarbon-language:trunkfrom
zygoloid wants to merge 1 commit intocarbon-language:trunkfrom
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Add an `IntFitsIn` interface with a custom witness, such that `T impls IntFitsIn(U)` if `T` is an integer type all of whose values fit losslessly into the integer type `U`. Use it to constrain implicit conversions between integer types. Assisted-by: Gemini 3 Pro via Antigravity
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Add an
IntFitsIninterface with a custom witness, such thatT impls IntFitsIn(U)ifTis an integer type all of whose values fit losslessly into the integer typeU. Use it to constrain implicit conversions between integer types.So far, this has not been extended to the
CppCompat.[U]{Long32,LongLong64}types, only toCore.Int(N)andCore.UInt(N).Assisted-by: Gemini 3 Pro via Antigravity