// 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|cannot convert" }