Add docs for underscore value

danhper · Jul 26, 2024 · bc5830c · bc5830c
1 parent b1ad7fb
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diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
@@ -18,5 +18,5 @@
 
 # Reference
 
-- [Builtin values](./builtin_functions.md)
+- [Builtin values](./builtin_values.md)
 - [Builtin methods](./builtin_methods.md)
diff --git a/docs/src/builtin_functions.md → docs/src/builtin_values.md b/docs/src/builtin_functions.md → docs/src/builtin_values.md
@@ -1,6 +1,18 @@
 # Builtin values
 
-## Global functions
+## Globals
+
+### `_`
+
+The underscore `_` variable stores the result of the last expression evaluated.
+
+```javascript
+>> 1 + 1
+2
+>> _
+2
+```
+
 
 ### `keccak256(bytes data) -> bytes32`