define interfaces

1 files changed, 23 insertions, 1 deletions

diff --git a/docs/language/operators.md b/docs/language/operators.md
index 35e39c3..2b843ec 100644
--- a/docs/language/operators.md
+++ b/docs/language/operators.md
@@ -8,9 +8,17 @@
 
 ## Cast `$`
 
+```c
+typedef kpl_result kpl_interface_cast(kpl_type to, const kpl_any from);
+```
+
 ## ``log`
 
-Configurable logger, output format and destination can be changed
+Configurable logger, destination can be changed
+
+```c
+typedef void kpl_interface_log(kpl_type type, const kpl_any any, const FILE *file, int32_t idnt, uint32_t options);
+```
 
 ## ``debugger`
 
@@ -60,6 +68,10 @@ WHITE
 
 `#NAME#NAME#` use single `#` to apply multiple colors at once
 
+```c
+typedef kpl_result kpl_interface_format(const kpl_buffer *format, [const kpl_any]..., NULL);
+```
+
 ## ``panic`
 
 Stops execution and prints `Any` to `stdout`
@@ -75,3 +87,13 @@ Stops execution and prints `Any` to `stdout`
 ## ``async_type`
 
 ## ``copy`
+
+```c
+typedef kpl_result kpl_interface_copy(const kpl_any any);
+```
+
+## ``hash`
+
+```c
+typedef uint64_t kpl_interface_hash(const kpl_any any);
+```