Documentation for sub infix:<+> assembled from the following types:

class Range

From Range

(Range) sub infix:<+>

multi sub infix:<+>(Range:D \r, Real:D \v)
multi sub infix:<+>(Real:D \v, Range:D \r)

Takes an Real and adds that number to both boundaries of the Range object. Be careful with the use of parenthesis.

say (1..2) + 2; # OUTPUT: «3..4␤» 
say 1..2 + 2;   # OUTPUT: «1..4␤»

class Date

From Date

(Date) sub infix:<+>

multi sub infix:<+> (Date:D, Int:D --> Date:D)
multi sub infix:<+> (Int:D, Date:D --> Date:D)

Takes an Int and adds that many days to the given Date object.

say Date.new('2015-12-25') + 332; # OUTPUT: «2016-11-21␤» 
say 1 + Date.new('2015-12-25');   # OUTPUT: «2015-12-26␤»

class DateTime

From DateTime

(DateTime) sub infix:<+>

multi sub infix:<+> (DateTime:D, Duration:D --> DateTime:D)
multi sub infix:<+> (Duration:D, DateTime:D --> DateTime:D)

Takes a DateTime and increases it by the given Duration, preserving the time zone.

say DateTime.new(:2015year) + Duration.new(31536001.0);
# OUTPUT: «2016-01-01T00:00:00Z␤» 
say Duration.new(42) + DateTime.new(:2015year, :3600timezone);
# OUTPUT: «2015-01-01T00:00:42+01:00␤»