get_double_member

Description:

[ Version ( since = "0.8" ) ]
public double get_double_member (string member_name)

Convenience function that retrieves the floating point value stored in member_name of this.

It is an error to specify a member_name which does not exist.

See also: [method@Json.Object.get_double_member_with_default], [method@Json.Object.get_member], [method@Json.Object.has_member]

Parameters:

this

a JSON object
member_name

the name of the member

Returns:

the floating point value of the object's member