Improve code style (suggestion by clippy)

- usize never < 0
- convert transmute to casts
- simplify condition

3 files changed, 3 insertions, 4 deletions

diff --git a/src/cell.rs b/src/cell.rs
index bc25cec..f27b1bd 100644
--- a/src/cell.rs
+++ b/src/cell.rs
@@ -190,7 +190,7 @@ impl Cell {
 
     /// Set horizontal span for this cell (must be > 0)
     pub fn set_hspan(&mut self, hspan: usize) {
-        self.hspan = if hspan <= 0 {1} else {hspan};
+        self.hspan = if hspan == 0 {1} else {hspan};
     }
 
     /// Get horizontal span of this cell (> 0)
diff --git a/src/lib.rs b/src/lib.rs
index 65f8b0c..0674793 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,7 +15,6 @@ use std::fmt;
 use std::iter::{FromIterator, IntoIterator};
 use std::slice::{Iter, IterMut};
 use std::ops::{Index, IndexMut};
-use std::mem::transmute;
 
 pub use term::{Attr, color};
 pub(crate) use term::{Terminal, stdout};
@@ -502,7 +501,7 @@ impl<'a> AsRef<TableSlice<'a>> for Table {
             // All this is a bit hacky. Let's try to find something else
             let s = &mut *((self as *const Table) as *mut Table);
             s.rows.shrink_to_fit();
-            transmute(self)
+            &*(self as *const Table as *const TableSlice<'a>)
         }
     }
 }
diff --git a/src/row.rs b/src/row.rs
index 856a8e0..5f34a24 100644
--- a/src/row.rs
+++ b/src/row.rs
@@ -66,7 +66,7 @@ impl Row {
     pub fn get_column_width(&self, column: usize, format: &TableFormat) -> usize {
         let mut i = 0;
         for c in &self.cells {
-            if i + c.get_hspan()-1 >= column {
+            if i + c.get_hspan() > column {
                 if c.get_hspan() == 1 {
                     return c.get_width();
                 }