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(

sets

Starts a set creation.

The ( function creates a set by pushing a mark onto the stack. This is a syntactic help to better present set constructions. This function behaves like MARK.

( is available since version 1.2.13.

See also

Signatures

Examples

( 5 42 ) SET-> MARK 5 42 ) SET-> // Less readable. [ 5 42 ) SET-> // A list start is also a mark. Far less readable.