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6 changes: 3 additions & 3 deletions info.toml
Original file line number Diff line number Diff line change
Expand Up @@ -1199,16 +1199,16 @@ hint = "you should use unsafe"
name = "drive3"
path = "exercises/drive/drive3.rs"
mode = "buildscript"
hint = "no hint"
hint = "see the 'Build Scripts' chapter in 'the Cargo Book'."

[[exercises]]
name = "drive4"
path = "exercises/drive/drive4.rs"
mode = "buildscript"
hint = "no hint"
hint = "see the 'Build Scripts' chapter in 'the Cargo Book'."

[[exercises]]
name = "drive5"
path = "exercises/drive/drive5.rs"
mode = "test"
hint = "to return a string \"Hello\" eg: String::from(\"Hello\")"
hint = "This is a hard exercise, you need to know how does compiler and linker work. You may want to watch the video at https://www.bilibili.com/video/BV1gL411A7dX, and then read the 'FFI' chapter of 'The Rustonomicon'."