Error Handling interview questions

1. A.a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
2. B.a method that extracts the contained success value but triggers an abort if the value is absent or an error
3. C.the enum with Ok and Err variants used to return either a success value or a recoverable failure
4. D.an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures

Answer + AI explanation with Pro

1. A.unwrap
2. B.expect
3. C.panic
4. D.Result

Answer + AI explanation with Pro

1. A.Result — the enum with Some and None variants representing a value that may be present or absent, replacing null
2. B.Result — an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
3. C.Result — the enum with Ok and Err variants used to return either a success value or a recoverable failure
4. D.Result — a method like unwrap that extracts the value but lets the caller supply a custom message shown on failure

Answer + AI explanation with Pro

1. A.an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
2. B.the enum with Ok and Err variants used to return either a success value or a recoverable failure
3. C.the enum with Some and None variants representing a value that may be present or absent, replacing null
4. D.a method that extracts the contained success value but triggers an abort if the value is absent or an error

Answer + AI explanation with Pro

1. A.unwrap
2. B.Option
3. C.panic
4. D.Question-mark operator

Answer + AI explanation with Pro

1. A.Option — a method like unwrap that extracts the value but lets the caller supply a custom message shown on failure
2. B.Option — a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
3. C.Option — a method that extracts the contained success value but triggers an abort if the value is absent or an error
4. D.Option — the enum with Some and None variants representing a value that may be present or absent, replacing null

Answer + AI explanation with Pro

1. A.a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
2. B.a method that extracts the contained success value but triggers an abort if the value is absent or an error
3. C.an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
4. D.the enum with Ok and Err variants used to return either a success value or a recoverable failure

Answer + AI explanation with Pro

1. A.Option
2. B.expect
3. C.Result
4. D.Question-mark operator

Answer + AI explanation with Pro

1. A.Question-mark operator — a method like unwrap that extracts the value but lets the caller supply a custom message shown on failure
2. B.Question-mark operator — a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
3. C.Question-mark operator — the enum with Ok and Err variants used to return either a success value or a recoverable failure
4. D.Question-mark operator — a method that extracts the contained success value but triggers an abort if the value is absent or an error

Answer + AI explanation with Pro

1. A.a method that extracts the contained success value but triggers an abort if the value is absent or an error
2. B.an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
3. C.the enum with Some and None variants representing a value that may be present or absent, replacing null
4. D.the enum with Ok and Err variants used to return either a success value or a recoverable failure

Answer + AI explanation with Pro

1. A.panic
2. B.Question-mark operator
3. C.expect
4. D.Result

Answer + AI explanation with Pro

1. A.panic — the enum with Some and None variants representing a value that may be present or absent, replacing null
2. B.panic — an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
3. C.panic — a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
4. D.panic — a method that extracts the contained success value but triggers an abort if the value is absent or an error

Answer + AI explanation with Pro

1. A.an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
2. B.the enum with Ok and Err variants used to return either a success value or a recoverable failure
3. C.a method that extracts the contained success value but triggers an abort if the value is absent or an error
4. D.the enum with Some and None variants representing a value that may be present or absent, replacing null

Answer + AI explanation with Pro

1. A.panic
2. B.unwrap
3. C.Result
4. D.expect

Answer + AI explanation with Pro

1. A.unwrap — a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
2. B.unwrap — an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
3. C.unwrap — the enum with Some and None variants representing a value that may be present or absent, replacing null
4. D.unwrap — a method that extracts the contained success value but triggers an abort if the value is absent or an error

Answer + AI explanation with Pro

1. A.a method that extracts the contained success value but triggers an abort if the value is absent or an error
2. B.the enum with Some and None variants representing a value that may be present or absent, replacing null
3. C.a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure
4. D.a method like unwrap that extracts the value but lets the caller supply a custom message shown on failure

Answer + AI explanation with Pro

1. A.Result
2. B.Option
3. C.expect
4. D.panic

Answer + AI explanation with Pro

1. A.expect — a method like unwrap that extracts the value but lets the caller supply a custom message shown on failure
2. B.expect — the enum with Ok and Err variants used to return either a success value or a recoverable failure
3. C.expect — an unrecoverable abort that unwinds or terminates the current thread, used for bugs and broken invariants rather than expected failures
4. D.expect — a postfix operator that unwraps a success value or returns the error early from the enclosing function on failure

Answer + AI explanation with Pro