Perl 6
WITCH lparen: Revision 1

Mnemonics

"list"

    • creates list
    • and also a general parenthesiser

Used as a brace pair or quote pair

() "creates a literal list"<>

Operators containing this character

\() creates a Capture literal
|() creates a Capture literal and then flattens it
:() creates a Signature object and is used in closure parameters

When used inside regexes

(<>) introduces extensible metasyntax

As an adverb

() can be used as a parenthesiser in adverbs

Old, deprecated, or other language uses


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