From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 ...issue-48492-tuple-destructure-missing-parens.rs | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/test/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.rs

(limited to 'src/test/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.rs')

diff --git a/src/test/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.rs b/src/test/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.rs
new file mode 100644
index 000000000..43b5f6d54
--- /dev/null
+++ b/src/test/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.rs
@@ -0,0 +1,87 @@
+#![allow(unused)]
+
+#[derive(Copy, Clone)]
+enum Nucleotide {
+    Adenine,
+    Thymine,
+    Cytosine,
+    Guanine
+}
+
+#[derive(Clone)]
+struct Autosome;
+
+#[derive(Clone)]
+enum Allosome {
+    X(Vec<Nucleotide>),
+    Y(Vec<Nucleotide>)
+}
+
+impl Allosome {
+    fn is_x(&self) -> bool {
+        match *self {
+            Allosome::X(_) => true,
+            Allosome::Y(_) => false,
+        }
+    }
+}
+
+#[derive(Clone)]
+struct Genome {
+    autosomes: [Autosome; 22],
+    allosomes: (Allosome, Allosome)
+}
+
+fn find_start_codon(strand: &[Nucleotide]) -> Option<usize> {
+    let mut reading_frame = strand.windows(3);
+    // (missing parentheses in `while let` tuple pattern)
+    while let b1, b2, b3 = reading_frame.next().expect("there should be a start codon") {
+        //~^ ERROR unexpected `,` in pattern
+        // ...
+    }
+    None
+}
+
+fn find_thr(strand: &[Nucleotide]) -> Option<usize> {
+    let mut reading_frame = strand.windows(3);
+    let mut i = 0;
+    // (missing parentheses in `if let` tuple pattern)
+    if let b1, b2, b3 = reading_frame.next().unwrap() {
+        //~^ ERROR unexpected `,` in pattern
+        // ...
+    }
+    None
+}
+
+fn is_thr(codon: (Nucleotide, Nucleotide, Nucleotide)) -> bool {
+    match codon {
+        // (missing parentheses in match arm tuple pattern)
+        Nucleotide::Adenine, Nucleotide::Cytosine, _ => true
+        //~^ ERROR unexpected `,` in pattern
+        _ => false
+    }
+}
+
+fn analyze_female_sex_chromosomes(women: &[Genome]) {
+    // (missing parentheses in `for` tuple pattern)
+    for x, _barr_body in women.iter().map(|woman| woman.allosomes.clone()) {
+        //~^ ERROR unexpected `,` in pattern
+        // ...
+    }
+}
+
+fn analyze_male_sex_chromosomes(men: &[Genome]) {
+    // (missing parentheses in pattern with `@` binding)
+    for x, y @ Allosome::Y(_) in men.iter().map(|man| man.allosomes.clone()) {
+        //~^ ERROR unexpected `,` in pattern
+        // ...
+    }
+}
+
+fn main() {
+    let genomes = Vec::new();
+    // (missing parentheses in `let` pattern)
+    let women, men: (Vec<Genome>, Vec<Genome>) = genomes.iter().cloned()
+    //~^ ERROR unexpected `,` in pattern
+        .partition(|g: &Genome| g.allosomes.0.is_x() && g.allosomes.1.is_x());
+}
-- 
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