Represents a value for an argument or option.
Instance methods
===(*args, **options, &)
Source[](index : Int32) : Type
Indexes the value if the value is an array, otherwise raises an exception.
[](index : Range) : Type
Attempts to index the value if the value is an array or returns nil, otherwise raises an
exception.
[](key : String) : Type
Indexes the value if the value is a hash, otherwise raises an exception.
[]?(index : Int32) : Type
Attempts to index the value if the value is an array or returns nil, otherwise raises an
exception.
[]?(index : Range) : Type
Attempts to index the value if the value is an array or returns nil, otherwise raises an
exception.
[]?(key : String) : Type | Nil
Attempts to index the value if the value is a hash or returns nil, otherwise raises an
exception.
as_a
Returns the value as an Array. Note that this does not change the type of the array.
as_a?
Returns the value as an Array. Note that this does not change the type of the array.
Returns nil if the underlying value is not an array.
as_bool
Returns the value as a Bool.
as_bool?
Returns the value as a Bool or nil if the underlying value is not a boolean.
as_dir
Returns the value as a Dir object. Note that this will raise an exception if the directory
is not found.
as_f
Returns the value as a Float.
as_f32
Returns the value as a Float"32".
as_f32?
Returns the value as a Float"32" or nil.
as_f64
Returns the value as a Float"64".
as_f64?
Returns the value as a Float"64" or nil.
as_f?
Returns the value as a Float or nil if the underlying value is not a float.
as_file
Returns the value as a File object. Note that this will raise an exception if the file is
is not found.
as_i
Returns the value as an Int.
as_i128
Returns the value as an Int"128".
as_i128?
Returns the value as an Int"128" or nil.
as_i16
Returns the value as an Int"16".
as_i16?
Returns the value as an Int"16" or nil.
as_i32
Returns the value as an Int"32".
as_i32?
Returns the value as an Int"32" or nil.
as_i64
Returns the value as an Int"64".
as_i64?
Returns the value as an Int"64" or nil.
as_i8
Returns the value as an Int"8".
as_i8?
Returns the value as an Int"8" or nil.
as_i?
Returns the value as a Int or nil if the underlying value is not an integer.
as_path
Returns the value as a Path object. This will attempt to resolve the value into a valid
path (see Path.new).
as_s
Returns the value as a String.
as_s?
Returns the value as a String or nil if the underlying value is not a string.
as_set
Returns the value as a Set. Note that this does not change the type of the set.
as_time
Returns the value as a Time object. This will attempt to parse the value according to the
matching time format, otherwise it will raise an exception (see Time.new).
as_u128
Returns the value as a UInt"128".
as_u128?
Returns the value as a UInt"128" or nil.
as_u16
Returns the value as a UInt"16".
as_u16?
Returns the value as a UInt"16" or nil.
as_u32
Returns the value as a UInt"32".
as_u32?
Returns the value as a UInt"32" or nil.
as_u64
Returns the value as a UInt"64".
as_u64?
Returns the value as a UInt"64" or nil.
as_u8
Returns the value as a UInt"8".
as_u8?
Returns the value as a UInt"8" or nil.
size
Returns the size of the value if it is an array or hash, otherwise raises an exception.
to_bool
Converts the value to a Bool.
to_bool?
Converts the value to a Bool or Nil if the underlying value cannot be parsed.
to_f
Converts the value to a Float.
to_f32
Converts the value to a Float32.
to_f32?
Converts the value to a Float32 or Nil if the underlying value cannot be parsed.
to_f64
Converts the value to a Float64.
to_f64?
Converts the value to a Float64 or Nil if the underlying value cannot be parsed.
to_f?
Converts the value to a Float or Nil if the underlying value cannot be parsed.
to_i
Conversts the value to an Int.
to_i128
Converts the value to an Int128.
to_i128?
Converts the value to an Int128 or Nil if the underlying value cannot be parsed.
to_i16
Converts the value to an Int16.
to_i16?
Converts the value to an Int16 or Nil if the underlying value cannot be parsed.
to_i32
Converts the value to an Int32.
to_i32?
Converts the value to an Int32 or Nil if the underlying value cannot be parsed.
to_i64
Converts the value to an Int64.
to_i64?
Converts the value to an Int64 or Nil if the underlying value cannot be parsed.
to_i8
Converts the value to an Int8.
to_i8?
Converts the value to an Int8 or Nil if the underlying value cannot be parsed.
to_i?
Converts the value to an Int or Nil if the underlying value cannot be parsed.
to_s(*args, **options, &)
Sourceto_u128
Converts the value to a UInt128.
to_u128?
Converts the value to a UInt128 or Nil if the underlying value cannot be parsed.
to_u16
Converts the value to a UInt16.
to_u16?
Converts the value to a UInt16 or Nil if the underlying value cannot be parsed.
to_u32
Converts the value to a UInt32.
to_u32?
Converts the value to a UInt32 or Nil if the underlying value cannot be parsed.
to_u64
Converts the value to a UInt64.
to_u64?
Converts the value to a UInt64 or Nil if the underlying value cannot be parsed.
to_u8
Converts the value to a UInt8.
to_u8?
Converts the value to a UInt8 or Nil if the underlying value cannot be parsed.