mirror of
https://github.com/golang/go
synced 2024-11-17 19:04:47 -07:00
2b1c9b4be2
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g R=golang-dev CC=golang-dev https://golang.org/cl/5673078
47 lines
868 B
Go
47 lines
868 B
Go
// errorcheck
|
|
|
|
// Copyright 2009 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.
|
|
|
|
package main
|
|
|
|
const (
|
|
c3div2 = 3/2;
|
|
f3div2 = 3./2.;
|
|
)
|
|
|
|
func assert(t bool, s string) {
|
|
if !t {
|
|
panic(s)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
var i int;
|
|
var f float64;
|
|
|
|
assert(c3div2 == 1, "3/2");
|
|
assert(f3div2 == 1.5, "3/2");
|
|
|
|
i = c3div2;
|
|
assert(i == c3div2, "i == c3div2");
|
|
|
|
f = c3div2;
|
|
assert(f == c3div2, "f == c3div2");
|
|
|
|
f = f3div2;
|
|
assert(f == f3div2, "f == f3div2");
|
|
|
|
i = f3div2; // ERROR "truncate"
|
|
assert(i == c3div2, "i == c3div2 from f3div2");
|
|
assert(i != f3div2, "i != f3div2"); // ERROR "truncate"
|
|
|
|
const g float64 = 1.0;
|
|
i = g; // ERROR "convert|incompatible|cannot"
|
|
|
|
const h float64 = 3.14;
|
|
i = h; // ERROR "convert|incompatible|cannot"
|
|
i = int(h); // ERROR "truncate"
|
|
}
|