fn problem_count<F: Fn(&Analytics) -> Vec<(ProblemType, Vec<(Time, usize)>)>>(
ctx: &EventCtx<'_>,
app: &App,
title: &str,
get_data: F,
opts: &ProblemOptions,
) -> Widget
fn problem_count<F: Fn(&Analytics) -> Vec<(ProblemType, Vec<(Time, usize)>)>>(
ctx: &EventCtx<'_>,
app: &App,
title: &str,
get_data: F,
opts: &ProblemOptions,
) -> Widget