Effective Ruby: 48 Specific Ways to Write Better Ruby

Index

Symbols

“::” class path separator, 40–42

“_” (underscore) variable feature, 168

“||=” operator, 74–75, 197–198

“=” (equal sign) operator, 31–34

“=~” operator, 6–7

“==” operator, 3, 43–48, 53

“===” operator, 46–48

$: global variable, 6

$_ global variable, 6–9

$LOAD_PATH global variable, 7–9

$VERBOSE global variable, 14–15

%w operator, 52, 195

“&” operator, 72

() (parentheses), 25–28

“@” (at) instance variables

@current_user, 197–198

@hash. See @hash

@object, 120

@permissions, 63

@readings, 36

@status, 198–199

introduction to, 55–58

“@@” class variable, 56–58

@hash

delegation and, 81–84

HashProxy and, 116–118

hook methods and, 108–110

“~” (unary complement) operator, 140

“<<” operator, 76–77

“<=>” operator, 49–53

A

Accessor method, 54

Accumulators, ...