ifaceassert

package
v0.0.0-...-076a18f Latest Latest
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Published: Jul 19, 2023 License: BSD-3-Clause Imports: 8 Imported by: 0

Documentation

Overview

Package ifaceassert defines an Analyzer that flags impossible interface-interface type assertions.

Analyzer ifaceassert

ifaceassert: detect impossible interface-to-interface type assertions

This checker flags type assertions v.(T) and corresponding type-switch cases in which the static type V of v is an interface that cannot possibly implement the target interface T. This occurs when V and T contain methods with the same name but different signatures. Example:

var v interface {
	Read()
}
_ = v.(io.Reader)

The Read method in v has a different signature than the Read method in io.Reader, so this assertion cannot succeed.

Index

Constants

This section is empty.

Variables

View Source
var Analyzer = &analysis.Analyzer{
	Name:     "ifaceassert",
	Doc:      analysisutil.MustExtractDoc(doc, "ifaceassert"),
	URL:      "https://pkg.go.dev/golang.org/x/tools/go/analysis/passes/ifaceassert",
	Requires: []*analysis.Analyzer{inspect.Analyzer},
	Run:      run,
}

Functions

This section is empty.

Types

This section is empty.

Directories

Path Synopsis
cmd
ifaceassert
The ifaceassert command runs the ifaceassert analyzer.
The ifaceassert command runs the ifaceassert analyzer.

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