Class: String

Inherits:
Object show all
Defined in:
lib/capistrano_sentinel/initializers/active_support/blank.rb

Instance Method Summary collapse

Instance Method Details

#blank?true, false

A string is blank if it's empty or contains whitespaces only:

''.blank?       # => true
'   '.blank?    # => true
"\t\n\r".blank? # => true
' blah '.blank? # => false

Unicode whitespace is supported:

"\u00a0".blank? # => true

113
114
115
116
117
118
# File 'lib/capistrano_sentinel/initializers/active_support/blank.rb', line 113

def blank?
  # The regexp that matches blank strings is expensive. For the case of empty
  # strings we can speed up this method (~3.5x) with an empty? call. The
  # penalty for the rest of strings is marginal.
  empty? || /\A[[:space:]]*\z/ === self
end