7.13.11 Map Configurations

8.12

7.13.11 Map Configurations🔗ℹ

definition

...

ref_by_clause	=	~equals: equals_proc_expr
	\|	~hash_code: hash_code_proc_expr

Defines op_or_id_name as a map configuration like === and for use with forms like Map.by.

The result of equal_proc_expr should be a procedure that takes three arguments: two values to compare, and a function to use for recursive comparison.

The result of hash_code_proc_expr should be a procedure that takes two arguments: the value to hash, and a function to use for recursive hashing.

1	Rhombus Essentials
2	Collections and Iteration
3	Syntax Objects and Macros
4	Classes and Interfaces
5	Static Information and Binding
6	Core Reference
7	Meta and Macros Reference
8	Rhombus Static by Default
9	Libraries
10	Naming Conventions

7.1	Meta Definitions and Expressions
7.2	Spaces
7.3	Namespace Space
7.4	Definition Macros
7.5	Declaration Macros
7.6	Expression Macros
7.7	Assignment Macros
7.8	Binding Macros
7.9	Annotation Macros
7.10	Static Information
7.11	Dot Providers
7.12	Repetition Macros
7.13	Form-Specific Macros
7.14	Syntax Objects in Macros
7.15	Syntax Parameters

7.13.1	Import Macros
7.13.2	Export Macros
7.13.3	For Clause Macros
7.13.4	Sequence Macros
7.13.5	Reducer Macros
7.13.6	Class and Interface Clause Macros
7.13.7	Unquote Binding Macros
7.13.8	Syntax Class Clause Macros
7.13.9	Syntax Pattern Clause Macros
7.13.10	Entry Point Macros
7.13.11	Map Configurations