Fix spelling in doc comments (#274)

libduckdb-sys/build.rs

@@ -7,7 +7,7 @@ mod openssl;
 /// `cfg!(windows)`, since the latter does not properly handle cross-compilation
 ///
 /// Note that there is no way to know at compile-time which system we'll be
-/// targetting, and this test must be made at run-time (of the build script) See
+/// targeting, and this test must be made at run-time (of the build script) See
 /// https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
 #[allow(dead_code)]
 fn win_target() -> bool {

src/error.rs

@@ -81,7 +81,7 @@ pub enum Error {
     /// given, the 2nd is how many were expected.
     InvalidParameterCount(usize, usize),
 
-    /// Apppend Error
+    /// Append Error
     AppendError,
 }
 

src/types/value.rs

@@ -36,7 +36,7 @@ pub enum Value {
     Double(f64),
     /// The value is a Decimal.
     Decimal(Decimal),
-    /// The value is a timestap.
+    /// The value is a timestamp.
     Timestamp(TimeUnit, i64),
     /// The value is a text string.
     Text(String),

src/types/value_ref.rs

@@ -39,19 +39,19 @@ pub enum ValueRef<'a> {
     HugeInt(i128),
     /// The value is a unsigned tiny integer.
     UTinyInt(u8),
-    /// The value is a usigned small integer.
+    /// The value is a unsigned small integer.
     USmallInt(u16),
-    /// The value is a usigned integer.
+    /// The value is a unsigned integer.
     UInt(u32),
-    /// The value is a usigned big integer.
+    /// The value is a unsigned big integer.
     UBigInt(u64),
     /// The value is a f32.
     Float(f32),
     /// The value is a f64.
     Double(f64),
     /// The value is a decimal
     Decimal(Decimal),
-    /// The value is a timestap.
+    /// The value is a timestamp.
     Timestamp(TimeUnit, i64),
     /// The value is a text string.
     Text(&'a [u8]),

src/vtab/excel.rs

@@ -110,7 +110,7 @@ impl VTab for ExcelVTab {
                         );
                     }
                     _ => {
-                        panic!("Shouldn't happend");
+                        panic!("Shouldn't happen");
                     }
                 }
             }