ruby

Ruby

Sample

• Avoid conditional modifiers (lines that end with conditionals). 36491dbb9
• Avoid multiple assignments per line (one, two = 1, 2). #109
• Avoid organizational comments (# Validations). #63
• Avoid ternary operators (boolean ? true : false). Use multi-line if instead to emphasize code branches. 36491dbb9
• Avoid explicit return statements. #48
• Avoid using semicolons. #108
• Avoid bang (!) method names. Prefer descriptive names. #122
• Don't use self explicitly anywhere except class methods (def self.method) and assignments (self.attribute =). #89
• Prefer nested class and module definitions over the shorthand version Example #332
• Prefer detect over find. 0d819844
• Prefer select over find_all. 0d819844
• Prefer map over collect. 0d819844
• Prefer reduce over inject. #237
• Prefer double quotes for strings. #174
• Prefer && and || over and and or. #153
• Prefer ! over not. #195
• Prefer &:method_name to { |item| item.method_name } for simple method calls. #183
• Prefer if over unless. #254
• Use _ for unused block parameters. 0d819844
• Prefix unused variables or parameters with underscore (_). #335
• Use a leading underscore when defining instance variables for memoization. #373
• Use %{} for single-line strings containing double-quotes that require interpolation. 36491dbb9
• Use {...} for single-line blocks. Use do..end for multi-line blocks. 0d819844
• Use ? suffix for predicate methods. 0d819844
• Use CamelCase for classes and modules, snake_case for variables and methods, SCREAMING_SNAKE_CASE for constants. 36491dbb9
• Use def self.method, not def Class.method or class << self. 40090e22
• Use def with parentheses when there are arguments. 36491dbb9
• Don't use spaces after required keyword arguments. Example #205
• Use each, not for, for iteration. 36491dbb9
• Use a trailing comma after each item in a multi-line list, including the last item. Example #167
• Use heredocs for multi-line strings. 36491dbb9
• Prefer private over protected for non-public attr_readers, attr_writers, and attr_accessors. #417, #190
• Order class methods above instance methods. #320
• Prefer method invocation over instance variables. #331