37 lines
861 B
Markdown
37 lines
861 B
Markdown
# hm.h
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A single header, C11 compliant, library that implements a
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[hash table](https://en.wikipedia.org/wiki/Hash_table#Separate_chaining)
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in C using separate chaining.
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## Example
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```c
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#define HM_IMPLEMENTATION
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#include "hm.h"
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#include <stdio.h>
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int main(void)
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{
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HashMap ages = {0}; // or hm_create(...) to specify custom key and
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// value sizes, a size of 0 means a NULL
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// terminated string
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hm_put(&ages, "alice", "30");
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hm_put(&ages, "bob", "25");
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char *alice = hm_get(&ages, "alice"); // NULL if key is not found
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printf("alice is %s\n", alice);
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HashMapIterator it = hm_iterate(&ages);
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while (hm_next(&it) != NULL) {
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printf("%s: %s\n", (const char*)hm_key(&it), (char*)hm_value(&it));
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}
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hm_free(&ages); // The HashMap can still be reused
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return 0;
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}
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```
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