nix::AttrsPattern Struct Reference

#include <nixexpr.hh>

Inheritance diagram for nix::AttrsPattern:

Classes
struct	Formal

Public Types
typedef std::vector< Formal >	Formals_

Public Member Functions
virtual std::shared_ptr< const StaticEnv >	buildEnv (const StaticEnv *up) override
virtual void	accept (ExprVisitor &ev) override
virtual Env &	match (ExprLambda &lambda, EvalState &state, Env &up, Value *arg, const PosIdx pos) override
virtual void	addBindingsToJSON (JSON &out, const SymbolTable &symbols) const override
bool	has (Symbol arg) const
std::vector< std::reference_wrapper< const Formal > >	lexicographicOrder (const SymbolTable &symbols) const
Public Member Functions inherited from nix::Pattern
	Pattern (Symbol name)

Public Attributes
Formals_	formals
bool	ellipsis
Public Attributes inherited from nix::Pattern
Symbol	name

Detailed Description

Attribute set destructuring in arguments of a lambda, if present

Member Function Documentation

accept()

void nix::AttrsPattern::accept ( ExprVisitor & ev )

overridevirtual

Implements nix::Pattern.

addBindingsToJSON()

void nix::AttrsPattern::addBindingsToJSON ( JSON & out, const SymbolTable & symbols ) const

overridevirtual

Implements nix::Pattern.

buildEnv()

std::shared_ptr< const StaticEnv > nix::AttrsPattern::buildEnv ( const StaticEnv * up )

overridevirtual

Implements nix::Pattern.

match()

Env & nix::AttrsPattern::match ( ExprLambda & lambda, EvalState & state, Env & up, Value * arg, const PosIdx pos )

overridevirtual

• For each formal argument, get the actual argument. If

Implements nix::Pattern.

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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