expression

func MutatorComparison ¶

func MutatorComparison(pkg *types.Package, info *types.Info, node ast.Node) []mutator.Mutation

MutatorComparison implements a mutator to change comparisons.

func MutatorContextNil ¶ added in v2.6.1

func MutatorContextNil(_ *types.Package, info *types.Info, node ast.Node) []mutator.Mutation

MutatorContextNil replaces context.Context arguments at call sites with nil. Mirrors ooze's context-cancellation operator.

func MutatorErrorGuard ¶ added in v2.6.1

func MutatorErrorGuard(_ *types.Package, info *types.Info, node ast.Node) []mutator.Mutation

MutatorErrorGuard replaces error-check conditions in if-statements:

if err != nil  →  if false
if err == nil  →  if true

Inspired by gomu's error-handling mutations.

func MutatorLogical ¶

func MutatorLogical(_ *types.Package, _ *types.Info, node ast.Node) []mutator.Mutation

MutatorLogical swaps && and || operators.

func MutatorRemoveTerm ¶

func MutatorRemoveTerm(pkg *types.Package, info *types.Info, node ast.Node) []mutator.Mutation

MutatorRemoveTerm implements a mutator to remove expression terms.