Perl 6
WITCH lpointy: Revision 8

Mnemonics

"arrow", "less", sideways "V" for "values"

  • has multiple uses
  • for << see « instead

Used alone

Used as a brace pair or quote pair

  • <> is shorthand for the qw quoted array constructor, providing string context
  • <> can "treat things as a hash", providing an uninterpolated string context as was the default in perl5. (e.g. %hash<value>)
  • <> can be used in adverbial pair constructors in place of {}, providing uninterpolated string context (e.g. :key<value>)

Operators containing this character

When used in a regular expression

Other uses

  • << can be used as a "Texas Quote", a substitute for « (left french quote) in environments where unicode source code is undesireable. See that character's page.
  • "prefix:<>" "postfix:<>" "infix:<>" The extended identifier of an operator.

Old, deprecated, or other language uses

  • << is bitwise shift in many languages including perl5. That is now +<, ~<, or ?<
  • (?< in perl5 introduced some regular expression extension syntax. Those have all changed drastically.

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