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authorSamantha McVey <samantham@posteo.net>2017-02-06 23:36:02 -0800
committerSamantha McVey <samantham@posteo.net>2017-02-06 23:36:02 -0800
commit7f0fff0adf38fb47b36da4a8c319c6c9c28c546d (patch)
tree64be6364ba122e6c272dc0b292176919ddff3aa9 /perl6.html.markdown
parent6e00874000b43418b64bf9f4b92cac38d9bf9475 (diff)
Fit some more things into 80 columns in the Perl 6 doc
Diffstat (limited to 'perl6.html.markdown')
-rw-r--r--perl6.html.markdown38
1 files changed, 20 insertions, 18 deletions
diff --git a/perl6.html.markdown b/perl6.html.markdown
index defd1315..e813978a 100644
--- a/perl6.html.markdown
+++ b/perl6.html.markdown
@@ -86,10 +86,10 @@ my %hash = key1 => 'value1', key2 => 'value2'; # same result as above
# You can also use the "colon pair" syntax:
# (especially handy for named parameters that you'll see later)
-my %hash = :w(1), # equivalent to `w => 1`
- # this is useful for the `True` shortcut:
- :truey, # equivalent to `:truey(True)`, or `truey => True`
- # and for the `False` one:
+my %hash = :w(1), # equivalent to `w => 1`
+ # this is useful for the `True` shortcut:
+ :truey, # equivalent to `:truey(True)`, or `truey => True`
+ # and for the `False` one:
:!falsey, # equivalent to `:falsey(False)`, or `falsey => False`
;
@@ -125,8 +125,8 @@ hello-to; #=> Hello, World !
hello-to(); #=> Hello, World !
hello-to('You'); #=> Hello, You !
-## You can also, by using a syntax akin to the one of hashes (yay unified syntax !),
-## pass *named* arguments to a `sub`.
+## You can also, by using a syntax akin to the one of hashes
+## (yay unified syntax !), pass *named* arguments to a `sub`.
# They're optional, and will default to "Any".
sub with-named($normal-arg, :$named) {
say $normal-arg + $named;
@@ -145,8 +145,8 @@ sub with-mandatory-named(:$str!) {
say "$str !";
}
with-mandatory-named(str => "My String"); #=> My String !
-with-mandatory-named; # run time error: "Required named parameter not passed"
-with-mandatory-named(3); # run time error: "Too many positional parameters passed"
+with-mandatory-named; # run time error: "Required named parameter not passed"
+with-mandatory-named(3);# run time error:"Too many positional parameters passed"
## If a sub takes a named boolean argument ...
sub takes-a-bool($name, :$bool) {
@@ -169,9 +169,9 @@ my &s = &say-hello;
my &other-s = sub { say "Anonymous function !" }
# A sub can have a "slurpy" parameter, or "doesn't-matter-how-many"
-sub as-many($head, *@rest) { # `*@` (slurpy) will basically "take everything else".
- # Note: you can have parameters *before* (like here)
- # a slurpy one, but not *after*.
+sub as-many($head, *@rest) { #`*@` (slurpy) will "take everything else"
+# Note: you can have parameters *before* a slurpy one (like here),
+# but not *after*.
say @rest.join(' / ') ~ " !";
}
say as-many('Happy', 'Happy', 'Birthday'); #=> Happy / Birthday !
@@ -223,9 +223,9 @@ say $x; #=> 52
# - `if`
# Before talking about `if`, we need to know which values are "Truthy"
-# (represent True), and which are "Falsey" (or "Falsy") -- represent False.
-# Only these values are Falsey: 0, (), {}, "", Nil, A type (like `Str` or `Int`),
-# and of course False itself.
+# (represent True), and which are "Falsey" (or "Falsy") -- represent False.
+# Only these values are Falsey: 0, (), {}, "", Nil, A type (like `Str` or `Int`)
+# and of course False itself.
# Every other value is Truthy.
if True {
say "It's true !";
@@ -265,13 +265,14 @@ say $age > 18 ?? "You are an adult" !! "You are under 18";
given "foo bar" {
say $_; #=> foo bar
- when /foo/ { # Don't worry about smart matching yet – just know `when` uses it.
+ when /foo/ { # Don't worry about smart matching yet – just know `when` uses it
# This is equivalent to `if $_ ~~ /foo/`.
say "Yay !";
}
- when $_.chars > 50 { # smart matching anything with True (`$a ~~ True`) is True,
+ when $_.chars > 50 { # smart matching anything with True is True,
+ # i.e. (`$a ~~ True`)
# so you can also put "normal" conditionals.
- # This when is equivalent to this `if`:
+ # This `when` is equivalent to this `if`:
# if $_ ~~ ($_.chars > 50) {...}
# Which means:
# if $_.chars > 50 {...}
@@ -288,7 +289,8 @@ given "foo bar" {
# but can also be a C-style `for` loop:
loop {
say "This is an infinite loop !";
- last; # last breaks out of the loop, like the `break` keyword in other languages
+ last; # last breaks out of the loop, like the `break` keyword in other
+ # languages
}
loop (my $i = 0; $i < 5; $i++) {