diff options
Diffstat (limited to 'crates/cli/src/args.rs')
| -rw-r--r-- | crates/cli/src/args.rs | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/crates/cli/src/args.rs b/crates/cli/src/args.rs index 1fec2d5..0333c92 100644 --- a/crates/cli/src/args.rs +++ b/crates/cli/src/args.rs @@ -17,8 +17,11 @@ impl From<WasmArg> for WasmValue { impl FromStr for WasmArg { type Err = String; fn from_str(s: &str) -> std::prelude::v1::Result<Self, Self::Err> { - let [ty, val]: [&str; 2] = - s.split(':').collect::<Vec<_>>().try_into().map_err(|e| format!("invalid arguments: {e:?}"))?; + let [ty, val]: [&str; 2] = s + .split(':') + .collect::<Vec<_>>() + .try_into() + .map_err(|_e| "invalid argument format; expected type:value".to_string())?; let arg: WasmValue = match ty { "i32" => val.parse::<i32>().map_err(|e| format!("invalid argument value for i32: {e:?}"))?.into(), @@ -26,7 +29,7 @@ impl FromStr for WasmArg { "f32" => val.parse::<f32>().map_err(|e| format!("invalid argument value for f32: {e:?}"))?.into(), "f64" => val.parse::<f64>().map_err(|e| format!("invalid argument value for f64: {e:?}"))?.into(), "v128" => val.parse::<i128>().map_err(|e| format!("invalid argument value for v128: {e:?}"))?.into(), - t => return Err(format!("Invalid arg type: {t}")), + t => return Err(format!("invalid arg type `{t}`; expected one of i32, i64, f32, f64, v128")), }; Ok(WasmArg(arg)) |