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cmd/go/internal/load: improve comments
This change modifies test.go isTestFunc checked whether the parameter type is B, M or T before the version of Go1.17. But, after Go1.18, isTestFunc checks F, too.
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@ -560,7 +560,7 @@ func recompileForTest(pmain, preal, ptest, pxtest *Package) *PackageError {
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}
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}
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// isTestFunc tells whether fn has the type of a testing function. arg
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// isTestFunc tells whether fn has the type of a testing function. arg
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// specifies the parameter type we look for: B, M or T.
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// specifies the parameter type we look for: B, F, M or T.
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func isTestFunc(fn *ast.FuncDecl, arg string) bool {
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func isTestFunc(fn *ast.FuncDecl, arg string) bool {
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if fn.Type.Results != nil && len(fn.Type.Results.List) > 0 ||
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if fn.Type.Results != nil && len(fn.Type.Results.List) > 0 ||
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fn.Type.Params.List == nil ||
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fn.Type.Params.List == nil ||
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@ -575,7 +575,7 @@ func isTestFunc(fn *ast.FuncDecl, arg string) bool {
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// We can't easily check that the type is *testing.M
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// We can't easily check that the type is *testing.M
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// because we don't know how testing has been imported,
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// because we don't know how testing has been imported,
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// but at least check that it's *M or *something.M.
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// but at least check that it's *M or *something.M.
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// Same applies for B and T.
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// Same applies for B, F and T.
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if name, ok := ptr.X.(*ast.Ident); ok && name.Name == arg {
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if name, ok := ptr.X.(*ast.Ident); ok && name.Name == arg {
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return true
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return true
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}
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}
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