// 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 conversion of constants is work in progress. // the ERRORs in this block are debatable, but they're what // the language spec says for now. var x1 = string(1); var x2 string = string(1); var x3 = int(1.5); // ERROR "convert|truncate" var x4 int = int(1.5); // ERROR "convert|truncate" var x5 = "a" + string(1); var x6 = int(1e100); // ERROR "overflow" var x7 = float(1e1000); // ERROR "overflow" // implicit conversions merit scrutiny var s string; var bad1 string = 1; // ERROR "conver|incompatible|invalid|cannot" var bad2 = s + 1; // ERROR "conver|incompatible|invalid" var bad3 = s + 'a'; // ERROR "conver|incompatible|invalid" var bad4 = "a" + 1; // ERROR "literals|incompatible|convert|invalid" var bad5 = "a" + 'a'; // ERROR "literals|incompatible|convert|invalid" var bad6 int = 1.5; // ERROR "convert|truncate" 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;