Value.h File Reference

#include <nix/expr/eval.hh>

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Namespaces
namespace	nixt

Functions
std::optional< nix::Value >	nixt::getField (nix::EvalState &State, nix::Value &V, std::string_view Field)
std::optional< std::string_view >	nixt::getFieldString (nix::EvalState &State, nix::Value &V, std::string_view Field)
bool	nixt::checkField (nix::EvalState &State, nix::Value &V, std::string_view Field, std::string_view Pred)
	Check if value V is an attrset, has the field, and equals to Pred.
bool	nixt::checkType (nix::EvalState &State, nix::Value &V, std::string_view Pred)
	Check if value is an attrset, and it's "_type" equals to Pred.
bool	nixt::isOption (nix::EvalState &State, nix::Value &V)
bool	nixt::isDerivation (nix::EvalState &State, nix::Value &V)
std::string	nixt::attrPathStr (nix::EvalState &State, nix::Value &V, const std::string &AttrPath)
std::vector< nix::Symbol >	nixt::toSymbols (nix::SymbolTable &STable, const std::vector< std::string > &Names)
	Transform a vector of string into a vector of nix symbols.
std::vector< nix::Symbol >	nixt::toSymbols (nix::SymbolTable &STable, const std::vector< std::string_view > &Names)
	Transform a vector of string into a vector of nix symbols.
nix::Value &	nixt::selectAttr (nix::EvalState &State, nix::Value &V, nix::Symbol Attr)
	Select attribute Attr.
nix::Value &	nixt::selectOption (nix::EvalState &State, nix::Value &V, nix::Symbol Attr)
nix::Value &	nixt::selectAttrPath (nix::EvalState &State, nix::Value &V, std::vector< nix::Symbol >::const_iterator Begin, std::vector< nix::Symbol >::const_iterator End)
	Given an attrpath in nix::Value V, select it.
nix::Value	nixt::selectOptions (nix::EvalState &State, nix::Value &V, std::vector< nix::Symbol >::const_iterator Begin, std::vector< nix::Symbol >::const_iterator End)
	Select the option declaration list, V, dive into "submodules".
nix::Value	nixt::selectOptions (nix::EvalState &State, nix::Value &V, const std::vector< nix::Symbol > &AttrPath)
nix::Value &	nixt::selectSymbols (nix::EvalState &State, nix::Value &V, const std::vector< nix::Symbol > &AttrPath)
	Given an attrpath in nix::Value V, select it.
nix::Value &	nixt::selectStrings (nix::EvalState &State, nix::Value &V, const std::vector< std::string > &AttrPath)
	Given an attrpath in nix::Value V, select it.
nix::Value &	nixt::selectStringViews (nix::EvalState &State, nix::Value &V, const std::vector< std::string_view > &AttrPath)
	Given an attrpath in nix::Value V, select it.