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go/test/cmplx.go
Rob Pike fc0dc04095 test: [a-c]: add introductory comments to tests
Very few of the compiler regression tests include a comment
saying waht they do. Many are obvious, some are anything but.
I've started with a-c in the top directory. More will follow once
we agree on the approach, correctness, and thoroughness here.
zerodivide.go sneaked in too.

R=rsc, r
CC=golang-dev
https://golang.org/cl/5656100
2012-02-19 13:19:43 +11:00

29 lines
555 B
Go

// errorcheck
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify that incorrect invocations of the complex predeclared function are detected.
// Does not compile.
package main
var (
f32 float32
f64 float64
c64 complex64
c128 complex128
)
func main() {
// ok
c64 = complex(f32, f32)
c128 = complex(f64, f64)
_ = complex128(0) // ok
_ = complex(f32, f64) // ERROR "complex"
_ = complex(f64, f32) // ERROR "complex"
}