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Contents
# The class of the singleton object `nil`.
#
class NilClass
public
# And---Returns `false`. *obj* is always evaluated as it is the argument to a
# method call---there is no short-circuit evaluation in this case.
#
def &: (untyped obj) -> bool
# Case Equality -- For class Object, effectively the same as calling `#==`, but
# typically overridden by descendants to provide meaningful semantics in `case`
# statements.
#
def ===: (nil) -> true
| (untyped obj) -> bool
# Dummy pattern matching -- always returns nil.
#
def =~: (untyped obj) -> nil
# Exclusive Or---If *obj* is `nil` or `false`, returns `false`; otherwise,
# returns `true`.
#
def ^: (nil) -> false
| (false) -> false
| (untyped obj) -> bool
# Always returns the string "nil".
#
def inspect: () -> "nil"
# Only the object *nil* responds `true` to `nil?`.
#
def nil?: () -> bool
# Returns zero as a rational. The optional argument `eps` is always ignored.
#
def rationalize: (?untyped eps) -> Rational
# Always returns an empty array.
#
# nil.to_a #=> []
#
def to_a: () -> [ ]
# Returns zero as a complex.
#
def to_c: () -> Complex
# Always returns zero.
#
# nil.to_f #=> 0.0
#
def to_f: () -> Float
# Always returns an empty hash.
#
# nil.to_h #=> {}
#
def to_h: () -> ::Hash[untyped, untyped]
# Always returns zero.
#
# nil.to_i #=> 0
#
def to_i: () -> 0
# Returns zero as a rational.
#
def to_r: () -> Rational
# Always returns the empty string.
#
def to_s: () -> ""
# Or---Returns `false` if *obj* is `nil` or `false`; `true` otherwise.
#
def |: (nil) -> false
| (false) -> false
| (untyped obj) -> bool
end
Version data entries
37 entries across 37 versions & 1 rubygems