Use interpolating string delimiters only for strings that actually interpolate. [String Delimiters]
Don't use "" or '' for an empty string. [Empty Strings]
Don't write one-character strings in visually ambiguous ways. [Single-Character Strings]
Use named character escapes instead of numeric escapes. [Escaped Characters]
Use named constants, but don't use constant. [Constants]
Don't pad decimal numbers with leading zeros. [Leading Zeros]
Use underscores to improve the readability of long numbers. [Long Numbers]
Lay out multiline strings over multiple lines. [Multiline Strings]
Use a heredoc when a multiline string exceeds two lines. [Here Documents]
Use a "theredoc" when a heredoc would compromise your indentation. [Heredoc Indentation]
Make every heredoc terminator a single uppercase identifier with a standard prefix. [Heredoc Terminators]
When introducing a heredoc, quote the terminator. [Heredoc Quoters]
Don't use barewords. [Barewords]
Reserve => for pairs. [Fat Commas]
Don't use commas to sequence statements. [Thin Commas]
Don't mix high- and low-precedence booleans. [Low-Precedence Operators]
Parenthesize every raw list. [Lists]
Use table-lookup to test for membership in lists of strings; use any( ) for membership of lists of anything else. [List Membership]
