zz

Author: chai2010

docs/smalltalk/st0084.md

@@ -16,17 +16,17 @@
 
 ```wa
 func main {
-	for i := range 10 {
-		println(Fibonacci(i))
-	}
+    for i := range 10 {
+        println(Fibonacci(i))
+    }
 }
 
 // 1, 1, 2, 3, 5, ...
 func Fibonacci(i: int) => int {
-	if i >= 2 {
-		return Fibonacci(i-1) + Fibonacci(i-2)
-	}
-	return 1
+    if i >= 2 {
+        return Fibonacci(i-1) + Fibonacci(i-2)
+    }
+    return 1
 }
 ```
 
@@ -52,29 +52,29 @@ $ wa run fib.wa
 
 ```wa
 func Example {
-	for i := range 10 {
-		println(Fibonacci(i))
-	}
-
-	// Output:
-	// 1
-	// 1
-	// 2
-	// 3
-	// 5
-	// 8
-	// 13
-	// 21
-	// 34
-	// 55
+    for i := range 10 {
+        println(Fibonacci(i))
+    }
+
+    // Output:
+    // 1
+    // 1
+    // 2
+    // 3
+    // 5
+    // 8
+    // 13
+    // 21
+    // 34
+    // 55
 }
 
 // 1, 1, 2, 3, 5, ...
 func Fibonacci(i: int) => int {
-	if i >= 2 {
-		return Fibonacci(i-1) + Fibonacci(i-2)
-	}
-	return 1
+    if i >= 2 {
+        return Fibonacci(i-1) + Fibonacci(i-2)
+    }
+    return 1
 }
 ```
 
@@ -93,14 +93,10 @@ ok   __main__ 97ms
 
 ```wa
 func ExampleFibonacci_invalid {
-	println(Fibonacci(-1))
-	println(Fibonacci(-2))
-	println(Fibonacci(-3))
-
-	// Output:
-	// 0
-	// 0
-	// 0
+    println(Fibonacci(-1))
+
+    // Output:
+    // 0
 }
 ```
 
@@ -109,7 +105,7 @@ func ExampleFibonacci_invalid {
 ```
 $ wa test test_fib.wa
 ---- __main__.ExampleFibonacci_invalid
-    expect = "0\n0\n0", got = "1\n1\n1"
+    expect = "0", got = "1"
 FAIL __main__ 90ms
 ```
 
@@ -126,13 +122,13 @@ ok   __main__ 107ms
 
 ```wa
 func Fibonacci(i: int) => int {
-	if i < 0 {
-		return 0
-	}
-	if i >= 2 {
-		return Fibonacci(i-1) + Fibonacci(i-2)
-	}
-	return 1
+    if i < 0 {
+        return 0
+    }
+    if i >= 2 {
+        return Fibonacci(i-1) + Fibonacci(i-2)
+    }
+    return 1
 }
 ```
 
@@ -162,7 +158,7 @@ func assert(ok: bool, errMessage: string)
 
 ```wa
 func TestFibonacci {
-	assert(Fibonacci(-1) == 1, "expect 0")
+    assert(Fibonacci(-1) == 1, "expect 0")
 }
 ```
 
@@ -179,13 +175,13 @@ exit status 1
 
 ```wa
 func TestFibonacci {
-	// assert(Fibonacci(-1) == 1, "expect 0")
+    // assert(Fibonacci(-1) == 1, "expect 0")
 
-	assert(Fibonacci(0) == 1)
-	assert(Fibonacci(1) == 1)
-	assert(Fibonacci(2) == 2)
-	assert(Fibonacci(3) == 3)
-	assert(Fibonacci(4) == 5)
+    assert(Fibonacci(0) == 1)
+    assert(Fibonacci(1) == 1)
+    assert(Fibonacci(2) == 2)
+    assert(Fibonacci(3) == 3)
+    assert(Fibonacci(4) == 5)
 }
 ```
 
@@ -195,21 +191,21 @@ func TestFibonacci {
 
 ```wa
 func FibonacciV2(i: int) => int {
-	if i < 0 {
-		panic("invalid")
-	}
-	return Fibonacci(i)
+    if i < 0 {
+        panic("invalid")
+    }
+    return Fibonacci(i)
 }
 ```
 
 要测试异常，必须通过`Example`示例测试：
 
 ```wa
 func ExampleFibonacciV2 {
-	FibonacciPanic(-1)
+    FibonacciPanic(-1)
 
-	// Output(panic):
-	// invalid
+    // Output(panic):
+    // invalid
 }
 ```