Examples

• 1.hello-world
• 2.variables
• 3.types
• 4.conditions
• 5.looping
• 6.subroutines
• 7.arrays
• 8.hashes
• 9.operators
• 10.classes
• 11.list-comprehension
• 12.junctions
• 13.pattern-match
• 14.whatever
• 15.twigil
• 16.set
• 17.feed
• 18.flip
• 19.signatures
• 20.io
• 21.enum
• 22.traits
• 23.gather-take
• 24.subset
• 25.sort
• 26.smartmatch
• 27.roles
• 28.multi-dispatch
• 29.meta-operators
• 30.aomtic
• 31.binding
• 32.classify
• 33.destructure
• 34.dbi
• 35.dynamic-variables
• 36.labels
• 37.main
• 38.operators
• 39.pod
• 40.regex
• 41.q
• 42.topic_variable
• 43.hyper_operator
• 44.colonpairs
• 45.grammar
• 46.datetime
• 47.comb
• 48.chained_comparison
• 49.unicode
• 50.when
• 51.with
• 52.rotor
• 53.series_operator
• 54.range
• 55.slip
• 56.react_whenever
• 57.introspection
• 58.promise
• 59.threads

# 格式化日期, { }  花括号 自动获取了 $_  变量。
my $fmt = {sprintf "%04d%02d%02d", .year, .month, .day};
.say for Date.new('2020-03-06', formatter => $fmt) .. Date.new('2020-03-12', formatter => $fmt);