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Point of view
All features
expanded class CHARACTER
Summary
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Note: An Eiffel CHARACTER is mapped as a C unsigned char or as a Java Byte.
Direct parents
Insert list: COMPARABLE, HASHABLE, PLATFORM
Overview
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Features
{ANY}
{}
Conversions:
{ANY}
Object Printing:
{ANY}
Hashing:
{ANY}
Miscellaneous:
{ANY}
{}
{ANY}
  • is_equal (other: CHARACTER): BOOLEAN
    Is other attached to an object considered equal to current object?
{ANY}
  • in_range (lower: CHARACTER, upper: CHARACTER): BOOLEAN
    Return True if Current is in range [lower..upper]
    See also min, max, compare.
  • compare (other: CHARACTER): INTEGER_32
    If current object equal to other, 0 if smaller, -1; if greater, 1.
  • three_way_comparison (other: CHARACTER): INTEGER_32
    If current object equal to other, 0 if smaller, -1; if greater, 1.
  • min (other: CHARACTER): CHARACTER
    Minimum of Current and other.
  • max (other: CHARACTER): CHARACTER
    Maximum of Current and other.
  • bounded_by (a_min: CHARACTER, a_max: CHARACTER): CHARACTER
    A value that is equal to Current if it is between the limits set by a_min and a_max.
Maximum:
{}
Minimum:
{}
Bits:
{}
code: INTEGER_16
{ANY}
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ASCII code of Current.
to_integer_8: INTEGER_8
{ANY}
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Sign-extended conversion.
to_integer: INTEGER_8
effective function
{ANY}
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infix "<" (other: CHARACTER): BOOLEAN
effective function
{ANY}
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Comparison using code.
infix "<=" (other: CHARACTER): BOOLEAN
effective function
{ANY}
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Comparison using code.
infix ">" (other: CHARACTER): BOOLEAN
effective function
{ANY}
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Comparison using code.
infix ">=" (other: CHARACTER): BOOLEAN
effective function
{ANY}
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Comparison using code.
value: INTEGER_8
effective function
{ANY}
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Gives the value of a decimal digit.
decimal_value: INTEGER_8
effective function
{ANY}
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Gives the value of a decimal digit.
binary_value: INTEGER_8
effective function
{ANY}
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Gives the value of a binary digit.
octal_value: INTEGER_8
effective function
{ANY}
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Gives the value of an octal digit.
hexadecimal_value: INTEGER_8
effective function
{ANY}
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Gives the value of an hexadecimal digit.
same_as (other: CHARACTER): BOOLEAN
effective function
{ANY}
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Case insensitive comparison.
to_upper: CHARACTER
effective function
{ANY}
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Conversion to the corresponding upper case.
to_lower: CHARACTER
effective function
{ANY}
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Conversion to the corresponding lower case.
is_letter: BOOLEAN
effective function
{ANY}
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Is it a letter ('a' .. 'z' or 'A' .. 'Z') ?
is_digit: BOOLEAN
effective function
{ANY}
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Belongs to '0'..'
is_decimal_digit: BOOLEAN
effective function
{ANY}
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Belongs to '0'..'
is_binary_digit: BOOLEAN
effective function
{ANY}
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Belongs to '0'..'
is_octal_digit: BOOLEAN
effective function
{ANY}
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Belongs to '0'..'
is_hexadecimal_digit: BOOLEAN
effective function
{ANY}
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Is it one character of "0123456789abcdefABCDEF" ?
is_lower: BOOLEAN
effective function
{ANY}
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Is it some lowercase letter ('a'..'z')?
is_upper: BOOLEAN
effective function
{ANY}
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Is it some uppercase letter ('A'..'Z')?
is_separator: BOOLEAN
effective function
{ANY}
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True when character is a separator.
is_letter_or_digit: BOOLEAN
effective function
{ANY}
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Is it a letter (see is_letter) or a digit (see is_digit) ?
is_ascii: BOOLEAN
effective function
{ANY}
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Is character a 8-bit ASCII character?
is_bit: BOOLEAN
effective function
{ANY}
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True for 0 and 1.
next: CHARACTER
effective function
{ANY}
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Give the next character (the following code)
previous: CHARACTER
effective function
{ANY}
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Give the previous character (the code before)
infix "|..|" (other: CHARACTER): INTEGER_RANGE[CHARACTER]
effective function
{ANY}
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integer_range_itemize: FUNCTION[TUPLE 1[INTEGER_32], CHARACTER]
once function
{}
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integer_range_indexize: FUNCTION[TUPLE 1[CHARACTER], INTEGER_32]
once function
{}
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to_hexadecimal: STRING
effective function
{ANY}
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Create a new STRING giving the code in hexadecimal.
to_hexadecimal_in (str: STRING)
effective procedure
{ANY}
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Append the equivalent of to_hexadecimal at the end of str.
to_string: STRING
effective function
{ANY}
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out_in_tagged_out_memory
effective procedure
{ANY}
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Append terse printable representation of current object in tagged_out_memory.
fill_tagged_out_memory
effective procedure
{ANY}
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Append a viewable information in tagged_out_memory in order to affect the behavior of out, tagged_out, etc.
hash_code: INTEGER_32
effective function
{ANY}
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The hash-code value of Current.
is_alpha: BOOLEAN
effective function
{ANY}
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See is_letter (yes this is just a call to is_letter).
_inline_agent49 (i: INTEGER_32): CHARACTER
frozen
effective function
{}
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_inline_agent50 (i: CHARACTER): INTEGER_32
frozen
effective function
{}
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is_equal (other: CHARACTER): BOOLEAN
deferred function
{ANY}
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Is other attached to an object considered equal to current object?
in_range (lower: CHARACTER, upper: CHARACTER): BOOLEAN
effective function
{ANY}
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Return True if Current is in range [lower..upper]
See also min, max, compare.
compare (other: CHARACTER): INTEGER_32
effective function
{ANY}
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If current object equal to other, 0 if smaller, -1; if greater, 1.
three_way_comparison (other: CHARACTER): INTEGER_32
effective function
{ANY}
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If current object equal to other, 0 if smaller, -1; if greater, 1.
min (other: CHARACTER): CHARACTER
effective function
{ANY}
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Minimum of Current and other.
max (other: CHARACTER): CHARACTER
effective function
{ANY}
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Maximum of Current and other.
bounded_by (a_min: CHARACTER, a_max: CHARACTER): CHARACTER
effective function
{ANY}
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A value that is equal to Current if it is between the limits set by a_min and a_max.
Maximum_character_code: INTEGER_16
{}
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Largest supported code for CHARACTER values.
Maximum_integer_8: INTEGER_8
is 127
constant attribute
{}
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Largest supported value of type INTEGER_8.
Maximum_integer_16: INTEGER_16
is 32767
constant attribute
{}
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Largest supported value of type INTEGER_16.
Maximum_integer: INTEGER_32
is 2147483647
constant attribute
{}
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Largest supported value of type INTEGER/INTEGER_32.
Maximum_integer_32: INTEGER_32
is 2147483647
constant attribute
{}
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Largest supported value of type INTEGER/INTEGER_32.
Maximum_integer_64: INTEGER_64
is 9223372036854775807
constant attribute
{}
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Largest supported value of type INTEGER_64.
Maximum_real_32: REAL_32
is {REAL_32 3.4028234663852885981170418348451692544e+38}
constant attribute
{}
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Largest non-special (no NaNs nor infinity) supported value of type REAL_32.
Maximum_real: REAL_64
{}
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Largest non-special (no NaNs nor infinity) supported value of type REAL.
Maximum_real_64: REAL_64
{}
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Largest non-special (no NaNs nor infinity) supported value of type REAL.
Maximum_real_80: REAL_EXTENDED
{}
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Largest supported value of type REAL_80.
Minimum_character_code: INTEGER_16
{}
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Smallest supported code for CHARACTER values.
Minimum_integer_8: INTEGER_8
is -128
constant attribute
{}
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Smallest supported value of type INTEGER_8.
Minimum_integer_16: INTEGER_16
is -32768
constant attribute
{}
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Smallest supported value of type INTEGER_16.
Minimum_integer: INTEGER_32
is -2147483648
constant attribute
{}
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Smallest supported value of type INTEGER/INTEGER_32.
Minimum_integer_32: INTEGER_32
is -2147483648
constant attribute
{}
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Smallest supported value of type INTEGER/INTEGER_32.
Minimum_integer_64: INTEGER_64
is -9223372036854775808
constant attribute
{}
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Smallest supported value of type INTEGER_64.
Minimum_real_32: REAL_32
is {REAL_32 -3.40282346638528859811704183484516925440e+38}
constant attribute
{}
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Smallest non-special (no NaNs nor infinity) supported value of type REAL_32.
Minimum_real: REAL_64
{}
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Smallest non-special (no NaNs nor infinity) supported value of type REAL.
Minimum_real_64: REAL_64
{}
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Smallest non-special (no NaNs nor infinity) supported value of type REAL.
Minimum_real_80: REAL_64
{}
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Smallest supported value of type REAL_80.
Boolean_bits: INTEGER_32
{}
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Number of bits in a value of type BOOLEAN.
Character_bits: INTEGER_32
{}
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Number of bits in a value of type CHARACTER.
Integer_bits: INTEGER_32
{}
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Number of bits in a value of type INTEGER.
Real_bits: INTEGER_32
is 64
constant attribute
{}
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Number of bits in a value of type REAL.
Pointer_bits: INTEGER_32
{}
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Number of bits in a value of type POINTER.