nix::ExprLambda Struct Reference

Inheritance diagram for nix::ExprLambda:

Public Member Functions
	ExprLambda (PosIdx pos, std::unique_ptr< Pattern > pattern, std::unique_ptr< Expr > body)
void	setName (Symbol name) override
std::string	showNamePos (const EvalState &state) const
std::string	getName (SymbolTable const &symbols) const
std::string	getQuotedName (SymbolTable const &symbols) const
JSON	toJSON (const SymbolTable &symbols) const override
void	eval (EvalState &state, Env &env, Value &v) override
void	accept (ExprVisitor &ev, std::unique_ptr< Expr > &ptr) override
Public Member Functions inherited from nix::Expr
	Expr (const Expr &)=delete
Expr &	operator= (const Expr &)=delete
virtual Value *	maybeThunk (EvalState &state, Env &env)
PosIdx	getPos () const
template<typename E>
E &	cast ()
template<typename E>
E *	try_cast ()

Public Attributes
Symbol	name
std::unique_ptr< Pattern >	pattern
std::unique_ptr< Expr >	body
Public Attributes inherited from nix::Expr
PosIdx	pos

Additional Inherited Members
Static Public Member Functions inherited from nix::Expr
static std::unique_ptr< Expr >	finalize (std::unique_ptr< Expr > parsed, Evaluator &es, const std::shared_ptr< const StaticEnv > &env)
Protected Member Functions inherited from nix::Expr
	Expr (Expr &&)=default
Expr &	operator= (Expr &&)=default
	Expr (const PosIdx pos)

Member Function Documentation

accept()

void nix::ExprLambda::accept ( ExprVisitor & ev, std::unique_ptr< Expr > & ptr )

inlineoverridevirtual

Implements nix::Expr.

eval()

void nix::ExprLambda::eval ( EvalState & state, Env & env, Value & v )

overridevirtual

Reimplemented from nix::Expr.

getName()

std::string nix::ExprLambda::getName ( SymbolTable const & symbols ) const

inline

Returns the name of the lambda, or "anonymous lambda" if it doesn't have one.

getQuotedName()

std::string nix::ExprLambda::getQuotedName ( SymbolTable const & symbols ) const

inline

Returns the name of the lambda in single quotes, or "anonymous lambda" if it doesn't have one.

setName()

void nix::ExprLambda::setName ( Symbol name )

overridevirtual

Reimplemented from nix::Expr.

toJSON()

JSON nix::ExprLambda::toJSON ( const SymbolTable & symbols ) const

overridevirtual

Reimplemented from nix::Expr.

Member Data Documentation

name

Symbol nix::ExprLambda::name

Name of the lambda. This is set if the lambda is defined in a let-expression or an attribute set, such that there is a name. Lambdas may have a falsey symbol as the name if they are anonymous

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

• lix/libexpr/nixexpr.hh
• lix/libexpr/eval.cc
• lix/libexpr/nixexpr.cc