Struct evalexpr::EmptyContext
source ·
[−]pub struct EmptyContext;
Expand description
A context that returns None
for each identifier.
Trait Implementations
Returns the value that is linked to the given identifier.
Calls the function that is linked to the given identifier with the given argument.
If no function with the given identifier is found, this method returns EvalexprError::FunctionIdentifierNotFound
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Returns the “default value” for a type. Read more