add some docs

.github/workflows/check.yml

@@ -109,6 +109,5 @@ jobs:
       - name: Run tests
         run: |
           bash ./tools/setup_byond_linux.sh
-          $Env:RUST_BACKTRACE = 1
           source $HOME/BYOND/byond/bin/byondsetup
-          cargo test --package byondapi-test --target i686-unknown-linux-gnu --test test -- test_byondapi_with_dreamdaemon --exact --nocapture
+          RUST_BACKTRACE=1 cargo test --package byondapi-test --target i686-unknown-linux-gnu --test test -- test_byondapi_with_dreamdaemon --exact --nocapture

crates/byondapi-rs/src/value/builtins.rs

@@ -2,13 +2,15 @@ use super::ByondValue;
 use crate::{static_global::byond, Error};
 
 impl ByondValue {
+    /// Try to get a length of a string in bytes, lists in number of assoc elements probably, will fail if it's neither a list or string
     pub fn builtin_length(&self) -> Result<ByondValue, Error> {
         let mut result = ByondValue::new();
         unsafe {
             map_byond_error!(byond().Byond_Length(&self.0, &mut result.0))?;
         }
         Ok(result)
     }
+    /// Try to create a new byond object, equivalent to byond's new
     pub fn builtin_new(
         value_type: ByondValue,
         arglist: &[ByondValue],
@@ -24,7 +26,7 @@ impl ByondValue {
         }
         Ok(result)
     }
-
+    /// Try to create a new byond object, equivalent to byond's new, but takes a list as arguments instead
     pub fn builtin_newarglist(
         value_type: ByondValue,
         arglist: ByondValue,