> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/v6.0.0/llms.txt

# Struct FunctionCallExpression

Module: `std::meta::expr`

```rust
pub comptime struct FunctionCallExpression
{ /* private fields */ }
```

A function call decomposed by [`Expr::as_function_call`](/aztec-nr-api/v6.0.0/std/primitive.Expr.md#as_function_call).

## Implementations

```rust
impl FunctionCallExpression
```

```rust
pub comptime fn function(self) -> Expr
```

The expression being called.

```rust
pub comptime fn arguments(self) -> [Expr]
```

The call arguments in source order.