sigildocs

(scheme char)

(scheme char) - R7RS Character Library

Character comparison and conversion procedures.

See: R7RS Small §6.6

Exports

char=?procedure

Character equality

Re-exported from (sigil core)

char<?procedure

Character less-than

Re-exported from (sigil core)

char>?procedure

Character greater-than

Re-exported from (sigil core)

char<=?procedure

Character less-than-or-equal

Re-exported from (sigil core)

char>=?procedure

Character greater-than-or-equal

Re-exported from (sigil core)

char->integerprocedure

Convert character to code point

Re-exported from (sigil core)

integer->charprocedure

Convert code point to character

Re-exported from (sigil core)

char-alphabetic?procedure

Test if character is alphabetic

Re-exported from (sigil core)

char-numeric?procedure

Test if character is numeric

Re-exported from (sigil core)

char-whitespace?procedure

Test if character is whitespace

Re-exported from (sigil core)

char-upper-case?procedure

Test if character is upper case

Re-exported from (sigil core)

char-lower-case?procedure

Test if character is lower case

Re-exported from (sigil core)

char-upcaseprocedure

Convert character to uppercase

Re-exported from (sigil core)

char-downcaseprocedure

Convert character to lowercase

Re-exported from (sigil core)

char-foldcaseprocedure

Convert character to foldcase

Re-exported from (sigil core)

digit-valueprocedure

Numeric value of digit char, or #f

Re-exported from (sigil core)

char-ci=?procedure

Case-insensitive character equality

Re-exported from (sigil core)

char-ci<?procedure

Case-insensitive character less-than

Re-exported from (sigil core)

char-ci>?procedure

Case-insensitive character greater-than

Re-exported from (sigil core)

char-ci<=?procedure

Case-insensitive character less-or-equal

Re-exported from (sigil core)

char-ci>=?procedure

Case-insensitive character greater-or-equal

Re-exported from (sigil core)

string-upcaseprocedure

Convert string to uppercase

Re-exported from (sigil core)

string-downcaseprocedure

Convert string to lowercase

Re-exported from (sigil core)

string-foldcaseprocedure

Convert string to foldcase

Re-exported from (sigil core)

string-ci=?procedure

Case-insensitive string equality.

Re-exported from (sigil string)

string-ci<?procedure

Case-insensitive string less-than.

Re-exported from (sigil string)

string-ci>?procedure

Case-insensitive string greater-than.

Re-exported from (sigil string)

string-ci<=?procedure

Case-insensitive string less-or-equal.

Re-exported from (sigil string)

string-ci>=?procedure

Case-insensitive string greater-or-equal.

Re-exported from (sigil string)