Index of values

add ?eq u v m returns the new map which is same to m except it maps u to some value v' which satisfies eq v v'.

add_buffer b1 b2 adds the contents of b2 to b1.

Add one Unicode character to the buffer.

if the character is not representable, raise Out_of_range

add_range u1 u2 s adds the characters in the range u1 - u2 to s.

add ?eq u1 u2 v m returns the new map which is same to m except it maps characters in the range u1-u2 to some value v' which satisfies eq v v'.

Add the UTF-8 string to the buffer.

after u s returns the set of elements of s whose code points are greater than u.

after u m restricts the domain of m to the characters whose code points are greater than u.

alias alias name : Define alias as an alias of the encoding with the name name.

automatic name [enc_1; enc_2; ... enc_n] enc creates the new encoding name doing automatic encoding detection among enc_1, enc_2, ..., enc_n by the given order.

until u s returns the set of elements of s whose code points are smaller than u.

before u m restricts the domain of m to the characters whose code points are smaller than u.

Case foldding

char_of u returns the Latin-1 representation of u.

char_stream_of enc uchars converts the Unicode character stream uchars to the byte stream by the encoding enc

Returns a element roughly in the middle of the set.

code n returns the Unicode character with the code number n.

chr_of_uint n returns the Unicode character of the code number n.

Empty the buffer, but retains the internal storage which was holding the contents

code u returns the Unicode code number of u.

Combined class A combined class is an integer of 0 -- 255, showing how this character interacts to other combined characters.

Code point comparison by the lexicographic order.

Code point comparison

For locale, see Locale.

compare u1 u2 returns, a value > 0 if u1 has a larger Unicode code number than u2, 0 if u1 and u2 are the same Unicode character, a value < 0 if u1 has a smaller Unicode code number than u2.

Code point comparison

Caseless comparison

compare_index t i j returns a positive integer if i is the location placed after j in t, 0 if i and j point the same location, and a negative integer if i is the location placed before j in t.

compare_index s i1 i2 returns a value < 0 if i1 is the position located before i2, 0 if i1 and i2 points the same location, a value > 0 if i1 is the position located after i2.

compare_aux s i1 i2 returns If i1 is the position located before i2, a value < 0,, If i1 and i2 points the same location, 0,, If i1 is the position located after i2, a value > 0.

compare_aux s i1 i2 returns If i1 is the position located before i2, a value < 0, If i1 and i2 points the same location, 0, If i1 is the position located after i2, a value > 0.

Comparison with the sort key.

Compile regular expressions.

compl s returns the compliment of s.

contain loc1 loc2 : If loc1 is contained in loc2 then true otherwise false.

contents buf returns the contents of the buffer.

context t returns the tuple (s, i, j) such that t = refer s i j.

create n creates the buffer.

create n creates the buffer which initially can contain n Unicode characters.

create n creates the buffer with the initial size n-bytes.

create n : creates the buffer with the initial size n.

decode enc s converts the string s encoded by the encoding enc to the Unicode text.

Domain.

encode enc t converts the Unicode text t to the string by the encoding enc.

Equality by code point comparison

excerpt t copies the contents of t as a new ur_text.

The location of the first character in the storage.

The position of the head of the first Unicode character.

first s : The position of the head of the last Unicode character.

first s : The position of the head of the last Unicode character.

fold_range f s x is equivalent to f u_i u_(i+1) (... (f u_3 u_4 (f u_1 u_2 x))) if s is consisted of the intervals u1-u2, u3-u4, ..., u_i-u_(i + 1) in increasing order.

fold_range f m x is equivalent to f u_(2n) u_(2n+1) v_n (... (f u_1 u_2 v_1 x)) where all characters in the range u_(2k)-u_(2k+1) are mapped to v_k and u_1 < u_3 < ...

from u s returns the set of elements of s whose code points are equal or greater than u.

from u m restricts the domain of m to the characters whose code points are equal or greater than u.

get t i : i-th character of the storage.

get s n returns n-th Unicode character of s.

get s n returns n-th Unicode character of s.

get s n returns n-th Unicode character of s.

init len f creates a new storage.

init len f returns a new string which contains len Unicode characters.

init len f returns a new string which contains len Unicode characters.

init len f returns a new string which contains len Unicode characters.

Alias of uint_code

iter f s applies f to all Unicode characters in s.

iter f s Apply f to all Unicode characters in s.

iter f s : Apply f to all Unicode characters in s.

iter_range proc s feeds the intervals contained in s to proc in increasing order.

iter proc m : For each contingent region u1-u2 that is mapped to a constant v, proc u1 u2 v is called.

The location of the last character in the storage.

The position of the head of the last Unicode character.

last s : The position of the head of the last Unicode character.

last s : The position of the head of the last Unicode character.

The number of Unicode characters in the storage

length s returns the number of Unicode characters contained in s

length s returns the number of Unicode characters contained in s

length s returns the number of Unicode characters contained in s

Whether the given composed character is used in NFC or NFKC

The return value [(u_1, u'_1); ... (u_n, u'_1)] means for the given character u, u u_i forms the canonical composition u'_i.

Load the set of characters of the given character type.

Load the set of characters of the given name of the character type.

Load the table for the given character type.

Load the table for the given name of the character type.

look t i : The character in the location i of t.

look s i returns the Unicode character of the location i in the string s.

look s i returns the Unicode character of the location i in the string s.

look s i returns the Unicode character of the location i in the string s.

The semantics of these function are similar to the equivalents of string.

map_to_set p m returns the set of characters which are mapped to values satisfying the predicate p by m.

move t i n : if n >= 0, then returns n-th character after i and otherwise returns -n-th character before i.

move s i n returns n-th Unicode character after i if n >= 0, n-th Unicode character before i if n < 0.

move s i n : If n >= 0, returns n-th Unicode character after i.

Returns the name of the encoding.

new_enc name enc registers the new encoding enc under the name name

next s i returns the position of the head of the Unicode character located immediately after i.

next s i returns the position of the head of the Unicode character located immediately after i.

next s i returns the position of the head of the Unicode character located immediately after i.

Remove `Group from the regular expressions.

nth t n : the location of the n-th character in t.

nth s n returns the position of the n-th Unicode character.

nth s n returns the position of the n-th Unicode character.

nth s n returns the position of the n-th Unicode character.

of_char c returns the Unicode character of the Latin-1 character c

Alias of chr_of_uint

of_map def m creates the table which has the same value to m.

Returns the encoding of the given name.

Conversion from Latin-1 strings.

out_of_range s i tests whether i is a position inside of s.

out_of_range s i tests whether i is inside of s.

out_of_range s i tests whether i points the valid position of s.

prev s i returns the position of the head of the Unicode character located immediately before i.

prev s i returns the position of the head of the Unicode character located immediately before i.

prev s i returns the position of the head of the Unicode character located immediately before i.

The list of the intervals contained in the set.

read root suffix reader locale reads locale information using reader.

recode_string ~in_enc ~out_enc s converts the string s from in_enc to out_enc.

refer t i j returns the part of t from i until j.

regexp_match ?sem r t i tries matching r and substrings of t beginning from i.

remove_range u1 u2 s removes the characters in the range u1 - u2 from s.

remove_range u1 u2 m removes u1-u2 from the domain of m

Empty the buffer and de-allocate the internal storage.

search_forward ?sem r t i searches a substring of t matching r from i.

set s i u sets the i-th character in s to u.

Constant map.

Binary comparison of sort_key gives the same result as compare.

Convert obj_input_channel to stream

string_match r t i tests whether r can match a substring of t beginning from i.

Capitalize the beginning of words

uint_code u returns the Unicode code number of u.

until u s returns the set of elements of s whose code points are equal or smaller than u.

until u m restricts the domain of m to the characters whose code points are equal or smaller than u.

Conversion from indexes of sub-texts to ur_texts.

ustream_of enc chars converts the byte stream chars to the Unicode character stream by the encoding enc.

validate s successes if s is valid UTF-8, otherwise raises Malformed_code.

validate s If s is valid UTF-16 then successes otherwise raises Malformed_code.

validate s If s is valid UCS4 then successes otherwise raises Malformed_code.