Rust Analyzer doesn't present the documentation of tuple fields

[lu-zero]

e.g.:

/// Define an [expression()]'s postfix operator
///
/// It requires an operator binding power, as well as a
/// fold function which applies the operator.
pub struct Postfix<I, O, E>(
    /// Binding power
    pub i64,
    /// Unary operator
    pub fn(&mut I, O) -> Result<O, E>,
);

Does not present either Binding power nor Unary operator.

[ChayimFriedman2]

Well, when/where exactly do you expect it to show them?

[lu-zero]

Currently for normal struct the per-field documentation is presented as you start filling the struct e.g.:

/// Example tuple struct
struct TS(
    /// First
    u32,
    /// Second
    u64
);

/// Example struct
struct S {
    /// First
    f1: u32,
    /// Second
    f2: u64,
};

It would be ideal that the field documentation is presented either like it happens for the struct or that the it gets listed in the callout it presents already like it is done by rustdoc, something like

.0 u32: First
.1 u64: Second

[ChayimFriedman2]

That is completion list, and we have no completion for tuple fields (because there is nothing to complete).

[lu-zero]

A tuple is a list of anonymous fields with their type and potentially some information, so maybe it could be an option to populate one ?

[ChayimFriedman2]

I don't understand what you mean.

[lnicola]

We already show the field types, but I'm not sure where the documentation would fit in there:

[lu-zero]

The best would add a specific callout for the highlighted field, but since functions do not allow to document single arguments I guess it isn't implemented.

This is what rustdoc renders

I hoped it would be possible once in the tuple give the list of fields and their description, but I guess it can get very hairy :/