array_replace() — internals

array_replace() — internals

Where it lives

• Signature: src/builtins/array/array_replace.rs
• Lowering: src/codegen/lower_inst/builtins/arrays.rs:1340 (lower_array_replace)
• Function symbol: lower_array_replace()

Lowering notes

• Lowers array_replace() (right-wins hash merge of two hashes).

Runtime helpers

The following runtime helpers are referenced:

• __rt_array_replace
• __rt_array_replace_recursive
• __rt_assoc_diff_intersect

Signature summary

function array_replace(array $array, array $replacements): mixed

What the type checker enforces

• Arity: takes exactly 2 arguments.

Eval interpreter (magician)

Not callable from eval’d code — the magician interpreter has no entry for this builtin.

Cross-references

• User reference for array_replace()