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package codescan
import (
"fmt"
"go/types"
)
type Error string
func (e Error) Error() string {
return string(e)
}
const (
ErrInternal Error = "internal error due to a bug or a mishandling of go types AST. This usually indicates a bug in the scanner"
)
// code assertions to be explicit about the various expectations when entering a function
func mustNotBeABuiltinType(o *types.TypeName) {
if o.Pkg() != nil {
return
}
panic(fmt.Errorf("type %q expected not to be a builtin: %w", o.Name(), ErrInternal))
}
func mustHaveRightHandSide(a *types.Alias) {
if a.Rhs() != nil {
return
}
panic(fmt.Errorf("type alias %q expected to declare a right-hand-side: %w", a.Obj().Name(), ErrInternal))
}
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