Rust scalar and compound types, structs, impl blocks, traits, generics, trait objects and derive macros.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the default integer type in Rust?
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i32- What numeric range does an i32 represent?
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-2147483648 to 2147483647- Name Rust's two floating-point types.
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f32 and f64- What type represents boolean values in Rust?
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bool- How many bytes does a char type occupy?
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4 bytes- What is the syntax for an array type holding 10 i32 elements?
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[i32; 10]- How do you initialize an array with 5 copies of the value 3?
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[3; 5]- What is a tuple?
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A fixed-size collection of values with possibly different types- What syntax accesses the second element of a tuple?
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tuple.1- What is the key difference between arrays and tuples?
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Arrays have uniform element types; tuples can mix types- What is a struct?
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A composite data type that groups related values together with names- Name all three kinds of structs in Rust.
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Named, tuple, and unit structs- What is a named struct?
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A struct with explicitly named fields, defined with curly braces- What is a tuple struct and how are its fields accessed?
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A struct with unnamed fields accessed by numeric position- What is a unit struct used for?
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A struct with no fields, often used as a marker type
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