From e0b4ab09eb898fa4f62d6162f6bf07a40a2c5ec3 Mon Sep 17 00:00:00 2001
From: WindSoilder <WindSoilder@outlook.com>
Date: Thu, 7 Jul 2022 07:22:45 +0800
Subject: [PATCH] compatible with old rust (#5974)

---
 crates/nu-command/src/bytes/add.rs         | 6 +++++-
 crates/nu-command/src/bytes/ends_with.rs   | 6 +++++-
 crates/nu-command/src/bytes/length.rs      | 6 +++++-
 crates/nu-command/src/bytes/replace.rs     | 6 +++++-
 crates/nu-command/src/bytes/reverse.rs     | 6 +++++-
 crates/nu-command/src/bytes/starts_with.rs | 6 +++++-
 6 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/crates/nu-command/src/bytes/add.rs b/crates/nu-command/src/bytes/add.rs
index 1a4ed3ac1..ff1bda62b 100644
--- a/crates/nu-command/src/bytes/add.rs
+++ b/crates/nu-command/src/bytes/add.rs
@@ -63,7 +63,11 @@ impl Command for BytesAdd {
     ) -> Result<PipelineData, ShellError> {
         let added_data: Vec<u8> = call.req(engine_state, stack, 0)?;
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let index: Option<usize> = call.get_flag(engine_state, stack, "index")?;
         let end = call.has_flag("end");
 
diff --git a/crates/nu-command/src/bytes/ends_with.rs b/crates/nu-command/src/bytes/ends_with.rs
index 3f96bbb2e..6832c4a05 100644
--- a/crates/nu-command/src/bytes/ends_with.rs
+++ b/crates/nu-command/src/bytes/ends_with.rs
@@ -54,7 +54,11 @@ impl Command for BytesEndsWith {
     ) -> Result<PipelineData, ShellError> {
         let pattern: Vec<u8> = call.req(engine_state, stack, 0)?;
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let arg = Arguments {
             pattern,
             column_paths,
diff --git a/crates/nu-command/src/bytes/length.rs b/crates/nu-command/src/bytes/length.rs
index 1283158c8..9e8dbb162 100644
--- a/crates/nu-command/src/bytes/length.rs
+++ b/crates/nu-command/src/bytes/length.rs
@@ -50,7 +50,11 @@ impl Command for BytesLen {
         input: PipelineData,
     ) -> Result<PipelineData, ShellError> {
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let arg = Arguments { column_paths };
         operate(length, arg, input, call.head, engine_state.ctrlc.clone())
     }
diff --git a/crates/nu-command/src/bytes/replace.rs b/crates/nu-command/src/bytes/replace.rs
index e719f834b..69702915b 100644
--- a/crates/nu-command/src/bytes/replace.rs
+++ b/crates/nu-command/src/bytes/replace.rs
@@ -56,7 +56,11 @@ impl Command for BytesReplace {
         input: PipelineData,
     ) -> Result<PipelineData, ShellError> {
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 2)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let find = call.req::<Vec<u8>>(engine_state, stack, 0)?;
         if find.is_empty() {
             return Err(ShellError::UnsupportedInput(
diff --git a/crates/nu-command/src/bytes/reverse.rs b/crates/nu-command/src/bytes/reverse.rs
index 6f554a7ec..977183378 100644
--- a/crates/nu-command/src/bytes/reverse.rs
+++ b/crates/nu-command/src/bytes/reverse.rs
@@ -51,7 +51,11 @@ impl Command for BytesReverse {
         input: PipelineData,
     ) -> Result<PipelineData, ShellError> {
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let arg = Arguments { column_paths };
         operate(reverse, arg, input, call.head, engine_state.ctrlc.clone())
     }
diff --git a/crates/nu-command/src/bytes/starts_with.rs b/crates/nu-command/src/bytes/starts_with.rs
index a7d6391ea..a022530a2 100644
--- a/crates/nu-command/src/bytes/starts_with.rs
+++ b/crates/nu-command/src/bytes/starts_with.rs
@@ -54,7 +54,11 @@ impl Command for BytesStartsWith {
     ) -> Result<PipelineData, ShellError> {
         let pattern: Vec<u8> = call.req(engine_state, stack, 0)?;
         let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
-        let column_paths = (!column_paths.is_empty()).then_some(column_paths);
+        let column_paths = if column_paths.is_empty() {
+            None
+        } else {
+            Some(column_paths)
+        };
         let arg = Arguments {
             pattern,
             column_paths,