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-rw-r--r--src/compile_fail/cannot_collect_filtermap_data.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/compile_fail/cannot_collect_filtermap_data.rs b/src/compile_fail/cannot_collect_filtermap_data.rs
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+++ b/src/compile_fail/cannot_collect_filtermap_data.rs
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+/*! ```compile_fail,E0599
+
+use rayon::prelude::*;
+
+// zip requires data of exact size, but filter yields only bounded
+// size, so check that we cannot apply it.
+
+fn main() {
+ let a: Vec<usize> = (0..1024).collect();
+ let mut v = vec![];
+ a.par_iter()
+ .filter_map(|&x| Some(x as f32))
+ .collect_into_vec(&mut v); //~ ERROR no method
+}
+
+``` */