Add example for command n,g,p and grid, update date now examples (#4622)

crates/nu-command/src/viewers/griddle.rs

@@ -8,8 +8,8 @@ use nu_engine::CallExt;
 use nu_protocol::{
     ast::{Call, PathMember},
     engine::{Command, EngineState, Stack},
-    Category, Config, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape,
-    Value,
+    Category, Config, Example, IntoPipelineData, PipelineData, ShellError, Signature, Span,
+    SyntaxShape, Value,
 };
 use nu_term_grid::grid::{Alignment, Cell, Direction, Filling, Grid, GridOptions};
 use terminal_size::{Height, Width};
@@ -131,6 +131,51 @@ prints out the list properly."#
             }
         }
     }
+
+    fn examples(&self) -> Vec<Example> {
+        vec![
+            Example {
+                description: "Render a simple list to a grid",
+                example: "[1 2 3 a b c] | grid",
+                result: Some(Value::String {
+                    val: "1 │ 2 │ 3 │ a │ b │ c".to_string(),
+                    span: Span::test_data(),
+                }),
+            },
+            Example {
+                description: "The above example is the same as:",
+                example: "[1 2 3 a b c] | wrap name | grid",
+                result: Some(Value::String {
+                    val: "1 │ 2 │ 3 │ a │ b │ c".to_string(),
+                    span: Span::test_data(),
+                }),
+            },
+            Example {
+                description: "Render a record to a grid",
+                example: "{name: 'foo', b: 1, c: 2} | grid",
+                result: Some(Value::String {
+                    val: "foo".to_string(),
+                    span: Span::test_data(),
+                }),
+            },
+            Example {
+                description: "Render a list of records to a grid",
+                example: "[{name: 'A', v: 1} {name: 'B', v: 2} {name: 'C', v: 3}] | grid",
+                result: Some(Value::String {
+                    val: "A │ B │ C".to_string(),
+                    span: Span::test_data(),
+                }),
+            },
+            Example {
+                description: "Render a table with 'name' column in it to a grid",
+                example: "[[name patch]; [0.1.0 $false] [0.1.1 $true] [0.2.0 $false]] | grid",
+                result: Some(Value::String {
+                    val: "0.1.0 │ 0.1.1 │ 0.2.0".to_string(),
+                    span: Span::test_data(),
+                }),
+            },
+        ]
+    }
 }
 
 /// Removes ANSI escape codes and some ASCII control characters