class

Athena::Routing::Parameters

A container representing parameters defined via ART::Route#defaults, or returned when matching a route. Allows the value to be of any type.

Constructors

new(parameters : self) : self

new(hash : Hash(String, _))

new

[](name : String) : String

Returns the value of the parameter with the provided name as a String.

Raises a KeyError if no parameter with that name exists.

[]=(name : String, value : T) : Nil forall T

Sets a parameter with the provided name to value.

[]?(name : String) : String | Nil

Returns the value of the parameter with the provided name as a String if it exists, otherwise nil.

delete(name : String) : Nil

Removes the parameter with the provided name.

empty?

Returns true if empty.

get(name : String, type : T.class) : T forall T

Returns the value of the parameter with the provided name, casted to the provided type.

Raises a KeyError if no parameter with that name exists.

get?(name : String, type : T.class) : T | Nil forall T

Returns the value of the parameter with the provided name casted to the provided type if it exists, otherwise nil.

has_key?(name : String) : Bool

Returns true if a parameter with the provided name exists, otherwise false.

to_h

Returns a Hash(String, String?) representation of these parameters. Values that are not String? are converted via #to_s.