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

# Struct LetExpression

Module: `std::meta::expr`

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

A let expression decomposed by [`Expr::as_let`](/aztec-nr-api/v6.0.0/std/primitive.Expr.md#as_let).

## Implementations

```rust
impl LetExpression
```

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

The let pattern.

```rust
pub comptime fn typ(self) -> Option<UnresolvedType>
```

The optional type annotation.

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

The expression assigned to the pattern.