nix::ExprSelect Struct Reference

Inheritance diagram for nix::ExprSelect:

Collaboration diagram for nix::ExprSelect:

Public Member Functions
	ExprSelect (const PosIdx &pos, std::unique_ptr< Expr > e, AttrPath attrPath, std::unique_ptr< Expr > def)
	ExprSelect (const PosIdx &pos, std::unique_ptr< Expr > e, const PosIdx namePos, Symbol name)
Public Member Functions inherited from nix::Expr
	Expr (const Expr &)=delete
Expr &	operator= (const Expr &)=delete
virtual JSON	toJSON (const SymbolTable &symbols) const
virtual void	bindVars (Evaluator &es, const std::shared_ptr< const StaticEnv > &env)
virtual void	eval (EvalState &state, Env &env, Value &v)
virtual Value *	maybeThunk (EvalState &state, Env &env)
virtual void	setName (Symbol name)
PosIdx	getPos () const

Public Attributes
std::unique_ptr< Expr >	e
std::unique_ptr< Expr >	def
AttrPath	attrPath
Public Attributes inherited from nix::Expr
PosIdx	pos

Additional Inherited Members
Protected Member Functions inherited from nix::Expr
	Expr (Expr &&)=default
Expr &	operator= (Expr &&)=default
	Expr (const PosIdx pos)

Member Data Documentation

attrPath

AttrPath nix::ExprSelect::attrPath

The path of attributes being selected. e.g. bar.baz in foo.bar.baz.

def

std::unique_ptr<Expr> nix::ExprSelect::def

A default value specified with or, if the selected attr doesn't exist. e.g. bix in foo.bar.baz or bix

e

std::unique_ptr<Expr> nix::ExprSelect::e

The expression attributes are being selected on. e.g. foo in foo.bar.baz.

---

The documentation for this struct was generated from the following file:

• lix/libexpr/nixexpr.hh