DXN char (?c) — a single Unicode codepoint. Kept distinct from a 1-codepoint string so char and string (?a vs "a", two distinct DXN types) never collapse to the same JS value and silently fail to round-trip.
char
?c
string
?a
"a"
the single-codepoint string form.
Static
a string holding exactly one Unicode codepoint.
DXN
char(?c) — a single Unicode codepoint. Kept distinct from a 1-codepointstringsocharandstring(?avs"a", two distinct DXN types) never collapse to the same JS value and silently fail to round-trip.