morph::ui::detail::Evaluator Class Reference

Evaluates expressions against an environment, with the comprehension variables in scope. More...

#include <expression.hpp>

Public Member Functions
	Evaluator (Environment const &env)
	Evaluates against env.
Value	eval (Expr const &expr)
	Evaluates one node.

Detailed Description

Evaluates expressions against an environment, with the comprehension variables in scope.

Definition at line 1262 of file expression.hpp.

Constructor & Destructor Documentation

Evaluator()

morph::ui::detail::Evaluator::Evaluator ( Environment const & env )

inlineexplicit

Evaluates against env.

Parameters

env	What the expression reads.

Definition at line 1266 of file expression.hpp.

Member Function Documentation

eval()

Value morph::ui::detail::Evaluator::eval ( Expr const & expr )

inlinenodiscard

Evaluates one node.

Parameters

expr

The node.

Returns

Its value; null on a runtime error, which is reported.

Definition at line 1271 of file expression.hpp.

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

• morph/ui/expression.hpp