gistfile1.rs

pub enum LineType {
    GeometericVertexLine(GeometericVertex),
    FaceLine(Face),
    Failed,
    Unused,
}

// Geometric vertex (v)
pub struct GeometericVertex {
    pub x: f64,
    pub y: f64,
    pub z: f64,
}

// Generic function to pull the numeric data from a line in an obj file
pub fn extract_line_data<T: from_str::FromStr>(line: &str) -> Vec<T> {
    line.trim().split(' ').filter_map(from_str).collect()
}

fn make_geometric_vertex<T: Index<uint,f64>>(data: T) -> GeometericVertex {
    GeometericVertex { x: data[0], y: data[1], z: data[2] }
}

fn vert_from_reg(line: &str) -> LineType {
    GeometericVertexLine(make_geometric_vertex(extract_line_data(line)))
}

E:\Github\Rusticle\src\types\utils.rs:60:48: 60:65 error: cannot determine a type for this bounded type parameter: unconstrained type
E:\Github\Rusticle\src\types\utils.rs:60     GeometericVertexLine(make_geometric_vertex(extract_line_data(line)))
                                                                                        ^~~~~~~~~~~~~~~~~