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https://github.com/golang/go
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7dbee69b58
convlit.go:17: error: incompatible type in initialization convlit.go:18: error: incompatible types in binary expression convlit.go:19: error: incompatible types in binary expression convlit.go:20: error: incompatible types in binary expression convlit.go:21: error: incompatible types in binary expression convlit.go:23: error: cannot convert non-integer constant convlit.go:24: error: integer type overflow convlit.go:25: error: floating point overflow R=rsc DELTA=5 (0 added, 0 deleted, 5 changed) OCL=17649 CL=17661
36 lines
993 B
Go
36 lines
993 B
Go
// errchk $G -e $D/$F.go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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// explicit conversions are okay, even if they overflow
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var x1 = string(1);
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var x2 string = string(1);
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var x3 = int(1.5);
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var x4 int = int(1.5);
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var x5 = "a" + string(1);
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var x6 = int(1e100);
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var x7 = float(1e1000);
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// implicit conversions merit scrutiny
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var s string;
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var bad1 string = 1; // ERROR "conver|incompatible"
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var bad2 = s + 1; // ERROR "conver|incompatible"
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var bad3 = s + 'a'; // ERROR "conver|incompatible"
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var bad4 = "a" + 1; // ERROR "literals|incompatible"
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var bad5 = "a" + 'a'; // ERROR "literals|incompatible"
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var bad6 int = 1.5; // ERROR "convert"
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var bad7 int = 1e100; // ERROR "overflow"
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var bad8 float = 1e1000; // ERROR "overflow"
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// but these implicit conversions are okay
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var good1 string = "a";
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var good2 int = 1.0;
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var good3 int = 1e9;
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var good4 float = 1e20;
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