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0 400 400 use v6;
1 400 400
0 400 400 # Normal single line comment
0 400 400 my Int $i = 0;
0 400 400 my Rat $r = 3.142;
0 400 400 my Str $backslash = "\\";
0 400 400 my Str $s = "Hello, world! \$i == $i and \$r == $r";
0 400 400 say $s;
1 400 400
2 400 401 + #`{{
0 401 401 | *** This is a multi-line comment ***
0 401 400 | }}
1 400 400
0 400 400 my @array = #`[[ inline comment ]] <f fo foo food>;
0 400 400 my %hash = ( AAA => 1, BBB => 2 );
1 400 400
0 400 400 say q[This back\slash stays];
0 400 400 say q[This back\\slash stays]; # Identical output
0 400 400 say Q:q!Just a literal "\n" here!;
1 400 400
2 400 401 + =begin pod
0 401 401 | POD Documentation...
0 401 400 | =end pod
1 400 400
0 400 400 say qq:to/END/;
0 400 400 A multi-line
0 400 400 string with interpolated vars: $i, $r
0 400 400 END
1 400 400
2 400 401 + sub function {
0 401 401 | return q:to/END/;
0 401 401 | Here is
0 401 401 | some multi-line
0 401 401 | string
0 401 401 | END
0 401 400 | }
1 400 400
0 400 400 my $func = &function;
0 400 400 say $func();
1 400 400
2 400 401 + grammar Calculator {
0 401 401 | token TOP { <calc-op> }
0 401 401 | proto rule calc-op {*}
0 401 401 | rule calc-op:sym<add> { <num> '+' <num> }
0 401 401 | rule calc-op:sym<sub> { <num> '-' <num> }
0 401 401 | token num { \d+ }
0 401 400 | }
1 400 400
2 400 401 + class Calculations {
0 401 401 | method TOP ($/) { make $<calc-op>.made; }
0 401 401 | method calc-op:sym<add> ($/) { make [+] $<num>; }
0 401 401 | method calc-op:sym<sub> ($/) { make [-] $<num>; }
0 401 400 | }
1 400 400
0 400 400 say Calculator.parse('2 + 3', actions => Calculations).made;
0 400 0
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