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+---
+tags:
+  - programming
+  - dictionary
+---
+This is when the compiler can infer (determine) the type of a variable by looking at the value being assigned.
+
+For example:
+```rust
+let x = 1
+
+# Equals
+
+let x: u32 = 1;
+```
+
+But the Rust compiler infers that x is u32 because that is the default int type.
+\ No newline at end of file