Documentation for infix =>, assembled from the following types:
sub infix:«=>»(, Mu --> Pair)
Constructs a Pair object with the left-hand side as the key and the right-hand side as the value.
Note that the
=> operator is syntactically special-cased, in that it allows unquoted identifier on the left-hand side.
my = a => 1;say .key; # OUTPUT: «a␤»say .value; # OUTPUT: «1␤»
A Pair within an argument list with an unquoted identifier on the left is interpreted as a named argument.
See the Terms language documentation for more ways to create