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tinyexpr: Add Comments

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This commit is contained in:
Fabian Homborg 2018-11-02 14:42:50 +01:00
parent c3c1ae18c6
commit e504faeb38
1 changed files with 2 additions and 0 deletions
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src/tinyexpr.cpp
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@ -191,6 +191,7 @@ static const te_variable *find_builtin(const char *name, int len) {
const auto end = std::end(functions);
const te_variable *found = std::lower_bound(std::begin(functions), end, name,
[len](const te_variable &lhs, const char *rhs) {
// The length is important because that's where the parens start
return strncmp(lhs.name, rhs, len) < 0;
});
// We need to compare again because we might have gotten the first "larger" element.
@ -242,6 +243,7 @@ void next_token(state *s) {
} else {
/* Look for an operator or special character. */
switch (s->next++[0]) {
// The "te_fun2" casts are necessary to pick the right overload.
case '+': s->type = TOK_INFIX; s->function = (const void *)(te_fun2) add; break;
case '-': s->type = TOK_INFIX; s->function = (const void *)(te_fun2) sub; break;
case '*': s->type = TOK_INFIX; s->function = (const void *)(te_fun2) mul; break;