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Add tips to REPL

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Signed-off-by: João Mota <jackthemotorcycle@gmail.com>
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João Mota 2022-10-03 13:38:27 +01:00 • committed by GitHub
parent b10c7722c9
commit 692d7651ab
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3
crates/repl_cli/src/lib.rs
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@ -45,6 +45,7 @@ pub const WELCOME_MESSAGE: &str = concatcp!(
"\n\n" "\n\n"
); );
pub const INSTRUCTIONS: &str = "Enter an expression, or :help, or :q to quit.\n"; pub const INSTRUCTIONS: &str = "Enter an expression, or :help, or :q to quit.\n";
pub const TIPS: &str = "Everything in the repl needs to be an expression, it needs to return something. See example below: \n\n\n foo = 1 \n\n foo";
pub const PROMPT: &str = concatcp!("\n", BLUE, "»", END_COL, " "); pub const PROMPT: &str = concatcp!("\n", BLUE, "»", END_COL, " ");
pub const CONT_PROMPT: &str = concatcp!(BLUE, "…", END_COL, " "); pub const CONT_PROMPT: &str = concatcp!(BLUE, "…", END_COL, " ");
@ -392,7 +393,7 @@ pub fn main() -> io::Result<()> {
// To debug rustyline: // To debug rustyline:
// <UNCOMMENT> env_logger::init(); // <UNCOMMENT> env_logger::init();
// <RUN WITH:> RUST_LOG=rustyline=debug cargo run repl 2> debug.log // <RUN WITH:> RUST_LOG=rustyline=debug cargo run repl 2> debug.log
print!("{}{}", WELCOME_MESSAGE, INSTRUCTIONS); print!("{}{}", WELCOME_MESSAGE, INSTRUCTIONS, TIPS);
let mut prev_line_blank = false; let mut prev_line_blank = false;
let mut editor = Editor::<ReplHelper>::new(); let mut editor = Editor::<ReplHelper>::new();