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Ensure empty array Params impl can trigger Error::InvalidParameterCount when needed

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This commit is contained in:
Thom Chiovoloni
2020-11-03 01:34:18 -08:00
parent 22121772a2
commit a312582d11
2 changed files with 8 additions and 5 deletions
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6
src/lib.rs
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@@ -161,7 +161,7 @@ pub const NO_PARAMS: &[&dyn ToSql] = &[];
#[macro_export]
macro_rules! params {
() => {
(&[] as &[&dyn $crate::ToSql])
&[] as &[&dyn $crate::ToSql]
};
($($param:expr),+ $(,)?) => {
&[$(&$param as &dyn $crate::ToSql),+] as &[&dyn $crate::ToSql]
@@ -198,12 +198,12 @@ macro_rules! params {
#[macro_export]
macro_rules! named_params {
() => {
(&[] as &[(&str, &dyn $crate::ToSql)])
&[] as &[(&str, &dyn $crate::ToSql)]
};
// Note: It's a lot more work to support this as part of the same macro as
// `params!`, unfortunately.
($($param_name:literal: $param_val:expr),+ $(,)?) => {
(&[$(($param_name, &$param_val as &dyn $crate::ToSql)),+] as &[(&str, &dyn $crate::ToSql)])
&[$(($param_name, &$param_val as &dyn $crate::ToSql)),+] as &[(&str, &dyn $crate::ToSql)]
};
}