mirror of
https://github.com/golang/go
synced 2024-11-11 20:50:23 -07:00
36 lines
994 B
Go
36 lines
994 B
Go
// errchk $G -e $D/$F.go
|
|
|
|
// 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
|
|
|
|
// explicit conversions are okay, even if they overflow
|
|
var x1 = string(1);
|
|
var x2 string = string(1);
|
|
var x3 = int(1.5);
|
|
var x4 int = int(1.5);
|
|
var x5 = "a" + string(1);
|
|
var x6 = int(1e100);
|
|
var x7 = float(1e1000);
|
|
|
|
// implicit conversions merit scrutiny
|
|
var s string;
|
|
var bad1 string = 1; // ERROR "conver|incompatible"
|
|
var bad2 = s + 1; // ERROR "conver|incompatible"
|
|
var bad3 = s + 'a'; // ERROR "conver|incompatible"
|
|
var bad4 = "a" + 1; // ERROR "literals|incompatible"
|
|
var bad5 = "a" + 'a'; // ERROR "literals|incompatible"
|
|
|
|
var bad6 int = 1.5; // ERROR "convert"
|
|
var bad7 int = 1e100; // ERROR "overflow"
|
|
var bad8 float32 = 1e200; // ERROR "overflow"
|
|
|
|
// but these implicit conversions are okay
|
|
var good1 string = "a";
|
|
var good2 int = 1.0;
|
|
var good3 int = 1e9;
|
|
var good4 float = 1e20;
|
|
|