DOC: Fix compiler warning in the first example in lib.rs.
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@ -27,7 +27,7 @@ explicitly, and call free-functions using the `na::` prefix:
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```
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```
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#[macro_use]
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#[macro_use]
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extern crate approx; // For the macro relative_eq!
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extern crate approx; // For the macro assert_relative_eq!
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extern crate nalgebra as na;
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extern crate nalgebra as na;
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use na::{Vector3, Rotation3};
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use na::{Vector3, Rotation3};
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@ -36,8 +36,8 @@ fn main() {
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let angle = 1.57;
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let angle = 1.57;
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let b = Rotation3::from_axis_angle(&axis, angle);
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let b = Rotation3::from_axis_angle(&axis, angle);
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relative_eq!(b.axis().unwrap(), axis);
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assert_relative_eq!(b.axis().unwrap(), axis);
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relative_eq!(b.angle(), angle);
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assert_relative_eq!(b.angle(), angle);
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}
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}
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```
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```
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