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Contents
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
# Makes it easier to access parts of a string, such as specific characters and substrings.
module Access
# Returns the character at the +position+ treating the string as an array (where 0 is the first character).
#
# Examples:
# "hello".at(0) # => "h"
# "hello".at(4) # => "o"
# "hello".at(10) # => nil
def at(position)
self[position, 1]
end
# Returns the remaining of the string from the +position+ treating the string as an array (where 0 is the first character).
#
# Examples:
# "hello".from(0) # => "hello"
# "hello".from(2) # => "llo"
# "hello".from(10) # => nil
def from(position)
self[position..-1]
end
# Returns the beginning of the string up to the +position+ treating the string as an array (where 0 is the first character).
#
# Examples:
# "hello".to(0) # => "h"
# "hello".to(2) # => "hel"
# "hello".to(10) # => "hello"
def to(position)
self[0..position]
end
# Returns the first character of the string or the first +limit+ characters.
#
# Examples:
# "hello".first # => "h"
# "hello".first(2) # => "he"
# "hello".first(10) # => "hello"
def first(limit = 1)
self[0..(limit - 1)]
end
# Returns the last character of the string or the last +limit+ characters.
#
# Examples:
# "hello".last # => "o"
# "hello".last(2) # => "lo"
# "hello".last(10) # => "hello"
def last(limit = 1)
self[(-limit)..-1]
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems