diff --git a/src/hammer.c b/src/hammer.c
index 7d1dabb..2365a91 100644
--- a/src/hammer.c
+++ b/src/hammer.c
@@ -435,3 +435,164 @@ parse_result_t* parse(const parser_t* parser, const uint8_t* input, size_t lengt
 
   return res;
 }
+
+#ifdef INCLUDE_TESTS
+
+#define MK_INPUT_STREAM(buf,len,endianness_) \
+  {                                          \
+    .input = (uint8_t*)buf,                  \
+    .length = len,                           \
+    .index = 0,                              \
+    .bit_offset = (((endianness_) & BIT_BIG_ENDIAN) ? 8 : 0), \
+    .endianness = endianness_                \
+  }
+
+static void test_token(void) {
+
+}
+
+static void test_ch(void) {
+
+}
+
+static void test_range(void) {
+
+}
+
+static void test_int64(void) {
+
+}
+
+static void test_int32(void) {
+
+}
+
+static void test_int16(void) {
+
+}
+
+static void test_int8(void) {
+
+}
+
+static void test_uint64(void) {
+
+}
+
+static void test_uint32(void) {
+
+}
+
+static void test_uint16(void) {
+
+}
+
+static void test_uint8(void) {
+
+}
+
+static void test_float64(void) {
+
+}
+
+static void test_float32(void) {
+
+}
+
+static void test_whitespace(void) {
+
+}
+
+static void test_action(void) {
+
+}
+
+static void test_left_factor_action(void) {
+
+}
+
+static void test_notin(void) {
+
+}
+
+static void test_end_p(void) {
+
+}
+
+static void test_nothing_p(void) {
+
+}
+
+static void test_sequence(void) {
+
+}
+
+static void test_choice(void) {
+
+}
+
+static void test_butnot(void) {
+
+}
+
+static void test_difference(void) {
+
+}
+
+static void test_xor(void) {
+
+}
+
+static void test_repeat0(void) {
+
+}
+
+static void test_repeat1(void) {
+
+}
+
+static void test_repeat_n(void) {
+
+}
+
+static void test_optional(void) {
+
+}
+
+static void test_expect(void) {
+
+}
+
+static void test_chain(void) {
+
+}
+
+static void test_chainl(void) {
+
+}
+
+static void test_list(void) {
+
+}
+
+static void test_epsilon_p(void) {
+
+}
+
+static void test_semantic(void) {
+
+}
+
+static void test_and(void) {
+
+}
+
+static void test_not(void) {
+
+}
+
+static void test_ignore(void) {
+
+}
+
+#endif // #ifdef INCLUDE_TESTS
diff --git a/src/hammer.h b/src/hammer.h
index b0a9c1a..07e21e4 100644
--- a/src/hammer.h
+++ b/src/hammer.h
@@ -93,6 +93,36 @@ const parser_t* ch(const uint8_t c);
 /* Given two single-character bounds, lower and upper, returns a parser that parses a single character within the range [lower, upper] (inclusive). */
 const parser_t* range(const uint8_t lower, const uint8_t upper);
 
+/* Returns a parser that parses a signed 8-byte integer value. */
+const parser_t* int64();
+
+/* Returns a parser that parses a signed 4-byte integer value. */
+const parser_t* int32();
+
+/* Returns a parser that parses a signed 2-byte integer value. */
+const parser_t* int16();
+
+/* Returns a parser that parses a signed 1-byte integer value. */
+const parser_t* int8();
+
+/* Returns a parser that parses an unsigned 8-byte integer value. */
+const parser_t* uint64();
+
+/* Returns a parser that parses an unsigned 4-byte integer value. */
+const parser_t* uint32();
+
+/* Returns a parser that parses an unsigned 2-byte integer value. */
+const parser_t* uint16();
+
+/* Returns a parser that parses an unsigned 1-byte integer value. */
+const parser_t* uint8();
+
+/* Returns a parser that parses a double-precision floating-point value. */
+const parser_t* float64();
+
+/* Returns a parser that parses a single-precision floating-point value. */
+const parser_t* float32();
+
 /* Given another parser, p, returns a parser that skips any whitespace and then applies p. */
 const parser_t* whitespace(const parser_t* p);