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pure fn is_whitespace(c: char) -> bool {
const ch_space: char = '\u0020';
const ch_ogham_space_mark: char = '\u1680';
const ch_mongolian_vowel_sep: char = '\u180e';
const ch_en_quad: char = '\u2000';
const ch_em_quad: char = '\u2001';
const ch_en_space: char = '\u2002';
const ch_em_space: char = '\u2003';
const ch_three_per_em_space: char = '\u2004';
const ch_four_per_em_space: char = '\u2005';
const ch_six_per_em_space: char = '\u2006';
const ch_figure_space: char = '\u2007';
const ch_punctuation_space: char = '\u2008';
const ch_thin_space: char = '\u2009';
const ch_hair_space: char = '\u200a';
const ch_narrow_no_break_space: char = '\u202f';
const ch_medium_mathematical_space: char = '\u205f';
const ch_ideographic_space: char = '\u3000';
const ch_line_separator: char = '\u2028';
const ch_paragraph_separator: char = '\u2029';
const ch_character_tabulation: char = '\u0009';
const ch_line_feed: char = '\u000a';
const ch_line_tabulation: char = '\u000b';
const ch_form_feed: char = '\u000c';
const ch_carriage_return: char = '\u000d';
const ch_next_line: char = '\u0085';
const ch_no_break_space: char = '\u00a0';
if c == ch_space {
true
} else if c == ch_ogham_space_mark {
true
} else if c == ch_mongolian_vowel_sep {
true
} else if c == ch_en_quad {
true
} else if c == ch_em_quad {
true
} else if c == ch_en_space {
true
} else if c == ch_em_space {
true
} else if c == ch_three_per_em_space {
true
} else if c == ch_four_per_em_space {
true
} else if c == ch_six_per_em_space {
true
} else if c == ch_figure_space {
true
} else if c == ch_punctuation_space {
true
} else if c == ch_thin_space {
true
} else if c == ch_hair_space {
true
} else if c == ch_narrow_no_break_space {
true
} else if c == ch_medium_mathematical_space {
true
} else if c == ch_ideographic_space {
true
} else if c == ch_line_tabulation {
true
} else if c == ch_paragraph_separator {
true
} else if c == ch_character_tabulation {
true
} else if c == ch_line_feed {
true
} else if c == ch_line_tabulation {
true
} else if c == ch_form_feed {
true
} else if c == ch_carriage_return {
true
} else if c == ch_next_line {
true
} else if c == ch_no_break_space { true } else { false }
}
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